Fort Lauderdale is about 1,498 times smaller than Arkansas.

Arkansas is approximately 134,856 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.07% the size of Arkansas.
Tip: This to-scale comparison of Arkansas vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.