Fort Lauderdale is about 1,254 times smaller than Louisiana.

Louisiana is approximately 112,825 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.08% the size of Louisiana.
Tip: This to-scale comparison of Louisiana vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.