wie lang ist der schatten eines 7.2m hohen Baumes, wenn gleichzeitig eine 2.1m hohe geruststange einen 1.4m langen schatten wirft?
$${\frac{{\mathtt{x}}}{{\mathtt{7.2}}}} = {\frac{{\mathtt{1.4}}}{{\mathtt{2.1}}}}$$ => $${\mathtt{x}} = {\frac{{\mathtt{7.2}}{\mathtt{\,\times\,}}{\mathtt{1.4}}}{{\mathtt{2.1}}}}$$
$${\frac{{\mathtt{7.2}}{\mathtt{\,\times\,}}{\mathtt{1.4}}}{{\mathtt{2.1}}}} = {\frac{{\mathtt{24}}}{{\mathtt{5}}}} = {\mathtt{4.8}}$$
$${\frac{{\mathtt{x}}}{{\mathtt{7.2}}}} = {\frac{{\mathtt{1.4}}}{{\mathtt{2.1}}}}$$ => $${\mathtt{x}} = {\frac{{\mathtt{7.2}}{\mathtt{\,\times\,}}{\mathtt{1.4}}}{{\mathtt{2.1}}}}$$
$${\frac{{\mathtt{7.2}}{\mathtt{\,\times\,}}{\mathtt{1.4}}}{{\mathtt{2.1}}}} = {\frac{{\mathtt{24}}}{{\mathtt{5}}}} = {\mathtt{4.8}}$$