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Finding the Fourth Proportional to 9,037.92, 12,465.90 and 8,294.28

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Solution

The fourth proportional to 9,037.92, 12,465.90 and 8,294.28 is: 11,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.92 : 12,465.90 = 8,294.28 : x
  2. Step 2: Convert to fraction form
    9,037.92/12,465.90 = 8,294.28/x
  3. Step 3: Cross multiply
    9,037.92x = 12,465.90 × 8,294.28
  4. Step 4: Simplify right side
    9,037.92x = 103,395,665.05
  5. Step 5: Solve for x
    x = 103,395,665.05/9,037.92
  6. Step 6: Final answer
    x = 11,440.21

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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.