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Finding the Fourth Proportional to 11,446.29, 15,795.27 and 6,410.39

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Solution

The fourth proportional to 11,446.29, 15,795.27 and 6,410.39 is: 8,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.29 : 15,795.27 = 6,410.39 : x
  2. Step 2: Convert to fraction form
    11,446.29/15,795.27 = 6,410.39/x
  3. Step 3: Cross multiply
    11,446.29x = 15,795.27 × 6,410.39
  4. Step 4: Simplify right side
    11,446.29x = 101,253,761.88
  5. Step 5: Solve for x
    x = 101,253,761.88/11,446.29
  6. Step 6: Final answer
    x = 8,845.99

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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.