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Finding the Fourth Proportional to 8,677, 11,974.98 and 4,951.72

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Solution

The fourth proportional to 8,677, 11,974.98 and 4,951.72 is: 6,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677 : 11,974.98 = 4,951.72 : x
  2. Step 2: Convert to fraction form
    8,677/11,974.98 = 4,951.72/x
  3. Step 3: Cross multiply
    8,677x = 11,974.98 × 4,951.72
  4. Step 4: Simplify right side
    8,677x = 59,296,747.97
  5. Step 5: Solve for x
    x = 59,296,747.97/8,677
  6. Step 6: Final answer
    x = 6,833.78

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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.