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Finding the Fourth Proportional to 11,262.32, 15,542.52 and 6,787.52

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Solution

The fourth proportional to 11,262.32, 15,542.52 and 6,787.52 is: 9,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.32 : 15,542.52 = 6,787.52 : x
  2. Step 2: Convert to fraction form
    11,262.32/15,542.52 = 6,787.52/x
  3. Step 3: Cross multiply
    11,262.32x = 15,542.52 × 6,787.52
  4. Step 4: Simplify right side
    11,262.32x = 105,495,165.35
  5. Step 5: Solve for x
    x = 105,495,165.35/11,262.32
  6. Step 6: Final answer
    x = 9,367.09

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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.