Advertisements
Advertisements
प्रश्न
Find the fourth proportional to 9.6 kg, 7.2 kg, 28.8 kg
Advertisements
उत्तर
Let fourth proportional to 9.6 kg, 7.2 kg, 28.8 kg be x
then 9.6 : 7.2 : : 28.8 : x
⇒ 9.6 × x = 7.2 x 28.8
x = `(7.2 xx 28.8)/(9.6)`
= 21.6.
APPEARS IN
संबंधित प्रश्न
If ( a+c) : b = 5 : 1 and (bc + cd) : bd = 5 : 1, then prove that a : b = c : d
Find the third proportional to:
x - y, x2 - y2
Determine if the following ratio form a proportion:
25 cm : 1 m and Rs 40 : Rs 160
In proportion, the 1st, 2nd, and 4th terms are 51, 68, and 108 respectively. Find the 3rd term.
The ratio of boys and girls in a school is 12 : 5. If the number of girls is 840, the total strength of the school is
The angles of a triangle are in the ratio 3 : 1 : 2. The measure of the largest angle is
What number must be added to each of the numbers 15, 17, 34 and 38 to make them proportional?
Find the missing number in the box in the proportion:
`square/45 = 16/40 = 24/square`
Determine if the following are in proportion.
33, 121, 9, 96
The table, given below, shows the values of x and y, where x is proportional (directly proportional) to y.
| x | A | 24 | 15 |
| y | 12 | B | 20 |
The values of A and B are:
