Home / 10,932.60-15,083.22-6,151.80

Finding the Fourth Proportional to 10,932.60, 15,083.22 and 6,151.80

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Solution

The fourth proportional to 10,932.60, 15,083.22 and 6,151.80 is: 8,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.60 : 15,083.22 = 6,151.80 : x
  2. Step 2: Convert to fraction form
    10,932.60/15,083.22 = 6,151.80/x
  3. Step 3: Cross multiply
    10,932.60x = 15,083.22 × 6,151.80
  4. Step 4: Simplify right side
    10,932.60x = 92,788,952.80
  5. Step 5: Solve for x
    x = 92,788,952.80/10,932.60
  6. Step 6: Final answer
    x = 8,487.36

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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.