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Finding the Fourth Proportional to 8,312.32, 11,465.10 and 8,037.73

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Solution

The fourth proportional to 8,312.32, 11,465.10 and 8,037.73 is: 11,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.32 : 11,465.10 = 8,037.73 : x
  2. Step 2: Convert to fraction form
    8,312.32/11,465.10 = 8,037.73/x
  3. Step 3: Cross multiply
    8,312.32x = 11,465.10 × 8,037.73
  4. Step 4: Simplify right side
    8,312.32x = 92,153,349.56
  5. Step 5: Solve for x
    x = 92,153,349.56/8,312.32
  6. Step 6: Final answer
    x = 11,086.36

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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.