Home / 10,132.38-13,982.31-5,656.03

Finding the Fourth Proportional to 10,132.38, 13,982.31 and 5,656.03

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Solution

The fourth proportional to 10,132.38, 13,982.31 and 5,656.03 is: 7,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.38 : 13,982.31 = 5,656.03 : x
  2. Step 2: Convert to fraction form
    10,132.38/13,982.31 = 5,656.03/x
  3. Step 3: Cross multiply
    10,132.38x = 13,982.31 × 5,656.03
  4. Step 4: Simplify right side
    10,132.38x = 79,084,329.87
  5. Step 5: Solve for x
    x = 79,084,329.87/10,132.38
  6. Step 6: Final answer
    x = 7,805.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.