Ruth 4:2

"And he took ten men of the elders of the city, and said, sit ye down here. And they sat down."

"And he took ten men." The fact that those thus bidden promptly obeyed Boaz is an indication of his power and influence in the city, due no doubt to his age, wealth, and reputation in Bethlehem. There may not be anything very special about the number 10, although it was understood to be a perfect number, and was the minimum number (quorum) of resident Jews in a city during later times that was required for the erection of a synagogue. It might also have been the usual number required to witness any important transaction.