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Finding the Fourth Proportional to 8,876.52, 12,260.50 and 6,648.35

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Solution

The fourth proportional to 8,876.52, 12,260.50 and 6,648.35 is: 9,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.52 : 12,260.50 = 6,648.35 : x
  2. Step 2: Convert to fraction form
    8,876.52/12,260.50 = 6,648.35/x
  3. Step 3: Cross multiply
    8,876.52x = 12,260.50 × 6,648.35
  4. Step 4: Simplify right side
    8,876.52x = 81,512,095.18
  5. Step 5: Solve for x
    x = 81,512,095.18/8,876.52
  6. Step 6: Final answer
    x = 9,182.89

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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.