Question

Find value of x , 12:13 : : 3 : x

Answer 1

hiii
Given:12:13::3:x
then
12/13=3/x
12x=13×3
x= 13×3/12
x = 39/12
x=3.25

Answer 2

The value of x = 3.25

Given :

12 : 13 :: 3 : x

To find :

The value of x

Solution :

Step 1 of 2 :

Write down the given expression

Here the given expression is

12 : 13 :: 3 : x

Step 2 of 2 :

Find the value of x

12 : 13 :: 3 : x

$\displaystyle \sf{ \implies \frac{12}{13} = \frac{3}{x} }$

$\displaystyle \sf{ \implies 12x = 3 \times 13}$

$\displaystyle \sf{ \implies x = \frac{13 \times 3}{12} }$

$\displaystyle \sf{ \implies x = 3.25}$

Hence the required value of x = 3.25

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