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Finding the Fourth Proportional to 10,951.13, 15,112.56 and 5,983.13

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Solution

The fourth proportional to 10,951.13, 15,112.56 and 5,983.13 is: 8,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.13 : 15,112.56 = 5,983.13 : x
  2. Step 2: Convert to fraction form
    10,951.13/15,112.56 = 5,983.13/x
  3. Step 3: Cross multiply
    10,951.13x = 15,112.56 × 5,983.13
  4. Step 4: Simplify right side
    10,951.13x = 90,420,335.55
  5. Step 5: Solve for x
    x = 90,420,335.55/10,951.13
  6. Step 6: Final answer
    x = 8,256.72

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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.