Check whether the given ratios are equal, i.e., they are in proportion. If yes, then write them in the proper form.
Rs. $$10$$ to Rs. $$15$$ and $$4$$ to $$6$$.
$$10 \ to \ 15 \ and \ 4 \ to \ 6$$
$$\dfrac{10}{15} and \dfrac{4}{6}$$
$$\dfrac{2}{3} and \dfrac{2}{3}$$
Given ratios are equal