English
CISCEICSE ICSE Class 7
Textbook Solutions7017
Concept Notes & Videos208
Syllabus

Find the Fourth Proportional of 3, 12 and 4 - Mathematics

Advertisements
Advertisements

Question

Find the fourth proportional of 3, 12 and 4

Sum
Advertisements

Solution

Fourth proportional of 3, 12 and 4

`= (12 xx 4)/3 = 16`

shaalaa.com
Ratio
  Is there an error in this question or solution?
Q 2.1
Chapter 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 2.1

RELATED QUESTIONS

Find the ratio of the following in the simplest fcrm: 

 x2 + 4x +4 and x2 - x - 6 


Express the following ratios in its simplest form :
5 kg: 800 gm


Express the following ratios in its simplest form :
30 cm : 2 m


Find:
The sub-triplicate ratio of the sub-duplicate ratio of 729x18: 64y6.


Check whether the following quantities form a proportion or not?

0.4, 0.5, 2.9 and 3.5 


If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.


There are 45 persons working in an office. If the number of females is 25 and the remaining are males, find the ratio of:
(a) The number of females to the number of males.
(b) The number of males to the number of females.

Samira sells newspapers at Janpath crossing daily. On a particular day, she had 312 newspapers out of which 216 are in English and remaining in Hindi. Find the ratio of the number of Hindi newspapers to the total number of newspapers.


Given below is a Mathematical term.


Find the ratio of consonants to vowels in the term.


Given below is a Mathematical term.


Find the ratio of consonants to vowels in the term.


Share
Notifications

Englishहिंदीमराठी
Login
Create free account


      Forgot password?
Course
Use app×