Home / 10,132.30-13,982.45-5,656.13

Finding the Fourth Proportional to 10,132.30, 13,982.45 and 5,656.13

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Solution

The fourth proportional to 10,132.30, 13,982.45 and 5,656.13 is: 7,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.30 : 13,982.45 = 5,656.13 : x
  2. Step 2: Convert to fraction form
    10,132.30/13,982.45 = 5,656.13/x
  3. Step 3: Cross multiply
    10,132.30x = 13,982.45 × 5,656.13
  4. Step 4: Simplify right side
    10,132.30x = 79,086,525.07
  5. Step 5: Solve for x
    x = 79,086,525.07/10,132.30
  6. Step 6: Final answer
    x = 7,805.39

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1.5x scale

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.