Wangwe, Lucas2025-08-072025-08-072024DOI: 10.28919/ejma.2024.4.15https://repository.must.ac.tz/handle/123456789/407This Journal Article of Science and Technical Education was Published by European Journal of Mathematics and Applications.This paper aims to demonstrate the common fixed point theorem for interpolative rational-type contraction mapping in complex-valued metric spaces. Also provide an example for verification of the proven results. Further, as an application, the paper proves the existence and uniqueness solution of the R L C differential equation.enArticle