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Finding the Fourth Proportional to 11,339.84, 15,648.92 and 6,371.84

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Solution

The fourth proportional to 11,339.84, 15,648.92 and 6,371.84 is: 8,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.84 : 15,648.92 = 6,371.84 : x
  2. Step 2: Convert to fraction form
    11,339.84/15,648.92 = 6,371.84/x
  3. Step 3: Cross multiply
    11,339.84x = 15,648.92 × 6,371.84
  4. Step 4: Simplify right side
    11,339.84x = 99,712,414.41
  5. Step 5: Solve for x
    x = 99,712,414.41/11,339.84
  6. Step 6: Final answer
    x = 8,793.11

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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.