Solving a Proportion with an Unknown Variable

Here's an introductory video explaining the basic reasoning behind solving proportions and shows three different methods for solving proportions which you will use later on to solve more difficult problems. 
Resource ID#: 130937 Type: Tutorial
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Direct Link: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/find-an-unknown-in-a-proportion

General Information

Subject(s): Mathematics
Grade Level(s): 7
Intended Audience: Educators educators, Students
Suggested Technology: Computers for Students, Internet Connection, Speakers/Headphones, Free account required
Instructional Time: 8 Minute(s)
Keywords: proportion, cross multiplication, ratio
Instructional Component Type(s): Tutorial
Instructional Design Framework(s): Demonstration
Resource Collection: Secondary Math specific existing tutorials

Aligned Standards

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