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Finding the Fourth Proportional to 11,539.92, 15,925.92 and 6,504.96

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Solution

The fourth proportional to 11,539.92, 15,925.92 and 6,504.96 is: 8,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.92 : 15,925.92 = 6,504.96 : x
  2. Step 2: Convert to fraction form
    11,539.92/15,925.92 = 6,504.96/x
  3. Step 3: Cross multiply
    11,539.92x = 15,925.92 × 6,504.96
  4. Step 4: Simplify right side
    11,539.92x = 103,597,472.56
  5. Step 5: Solve for x
    x = 103,597,472.56/11,539.92
  6. Step 6: Final answer
    x = 8,977.31

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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.