Question

IFa,b,c,d are in proportion and a=3, b=9,c=5 then find the value of d​

Answer 1

Answer:

As given instructions,

$\frac{a}{b} = \frac{c}{d}$

Let, the value of d is x

$\frac{3}{9} = \frac{5}{x} \\ or \: \frac{1}{3} = \frac{5}{x} \\ finally \: x = 15$

The value of d is 15.