Linear Interpolation – finding the interest rate for Annuities Forums › ACCA Forums › ACCA FA Financial Accounting Forums › Linear Interpolation – finding the interest rate for Annuities This topic has 0 replies, 1 voice, and was last updated 10 years ago by deltatango97. Viewing 1 post (of 1 total) Author Posts June 2, 2016 at 10:16 pm #318952 deltatango97Member Topics: 1Replies: 0☆ Hey, how can we make a more accurate “guess” when finding the % to plug into the linear interpolation formula as “a” & “c” respectively Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In