Mayamatam 23.9

23.9

dvitīyaṃ hi tṛtīyaṃ tutasmāt pañcakarādhikam
tasmāt sasaptahastaṃ tutatsamaṃ syāccaturthakam

the second is five cubits more than that, and the third is seven cubits more than that; / the fourth would be equal to that [third];