Question

If 3:x:: 9. 15 then find the value of X​ ( solution )

Answer 1

Answer:

X=5

Step-by-step explanation:

9x=3×15

X=(3×15)/9

X=5

Answer 2

Given:

Equation 3 : x :: 9 : 15

To Find:

The value of x?

Step-by-step explanation:

• The given equation is 3 : x :: 9 : 15.
• To find the value of x we need to apply cross multiplication rule over the given equation, we get:

       $\Rightarrow 3:x::9:15\\\\\Rightarrow \dfrac{3}{x}=\dfrac{9}{15}\\\\\Rightarrow 9 \times x= 15 \times 3\\\Rightarrow 9x = 45\\\Rightarrow x = \dfrac{45}{9}\\\\\bf {\boxed{x=5}}$

• The value of x is 5.