Home / 9,691.60-14,542.79-5,249.26

Finding the Fourth Proportional to 9,691.60, 14,542.79 and 5,249.26

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Solution

The fourth proportional to 9,691.60, 14,542.79 and 5,249.26 is: 7,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.60 : 14,542.79 = 5,249.26 : x
  2. Step 2: Convert to fraction form
    9,691.60/14,542.79 = 5,249.26/x
  3. Step 3: Cross multiply
    9,691.60x = 14,542.79 × 5,249.26
  4. Step 4: Simplify right side
    9,691.60x = 76,338,825.49
  5. Step 5: Solve for x
    x = 76,338,825.49/9,691.60
  6. Step 6: Final answer
    x = 7,876.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.