Home / 10,151.52-15,227.28-2,755.98

Finding the Fourth Proportional to 10,151.52, 15,227.28 and 2,755.98

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Solution

The fourth proportional to 10,151.52, 15,227.28 and 2,755.98 is: 4,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.52 : 15,227.28 = 2,755.98 : x
  2. Step 2: Convert to fraction form
    10,151.52/15,227.28 = 2,755.98/x
  3. Step 3: Cross multiply
    10,151.52x = 15,227.28 × 2,755.98
  4. Step 4: Simplify right side
    10,151.52x = 41,966,079.13
  5. Step 5: Solve for x
    x = 41,966,079.13/10,151.52
  6. Step 6: Final answer
    x = 4,133.97

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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.