Embibe Experts Solutions for Exercise 1: Chhattisgrah Board-2019

The relation between two equivalent ratios is:

If $8:14::x:28$, then find the value of $x$.

If $a:b=c:d$, then prove that $\frac{a^2+c^2}{b^2+d^2}=\frac{ac}{bd}$

The third proportional of $18$ and $6$ will be_____

If $\left(x+3\right):27::1:3$, then find the value of $x$.

The fourth proportional of $4, 7, 8$ is _____

If $(3+x) : (5+x) : (8+x)$, then find the value of $x$