Advertisements
Advertisements
Question
Find the fourth proportional of 3, 12 and 4
Advertisements
Solution
Fourth proportional of 3, 12 and 4
`= (12 xx 4)/3 = 16`
APPEARS IN
RELATED QUESTIONS
Find triplicate ratio of 1 : 3
If a : b = 4 : 7, find the following:
`(6"a" - "b")/("a" + 3"b")`
What quantity must be subtracted from each term of the ratio 39 : 89 to make it equal to 2 : 5 ?
If A : B = 3 : 5 and B : C = 4 : 7, find A : B : C.
Find the ratio of the first quantity to the second.
15 minutes, 1 hour
Find the sub-triplicate ratio of `(1)/(8) : (1)/(125)`
A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the factory produces 630 bulbs per day, find the number of defective bulbs produced each day.
Choose the correct answer from the given options :
When the number 210 is increased in the ratio 5 : 7, the new number is
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.

Which of the following correctly represents the ratio of 15 to 20?
