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Finding the Fourth Proportional to 10,951.92, 15,098.58 and 8,261.94

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Solution

The fourth proportional to 10,951.92, 15,098.58 and 8,261.94 is: 11,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.92 : 15,098.58 = 8,261.94 : x
  2. Step 2: Convert to fraction form
    10,951.92/15,098.58 = 8,261.94/x
  3. Step 3: Cross multiply
    10,951.92x = 15,098.58 × 8,261.94
  4. Step 4: Simplify right side
    10,951.92x = 124,743,562.05
  5. Step 5: Solve for x
    x = 124,743,562.05/10,951.92
  6. Step 6: Final answer
    x = 11,390.11

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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.