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Finding the Fourth Proportional to 8,883.70, 12,260.10 and 5,108.11

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Solution

The fourth proportional to 8,883.70, 12,260.10 and 5,108.11 is: 7,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.70 : 12,260.10 = 5,108.11 : x
  2. Step 2: Convert to fraction form
    8,883.70/12,260.10 = 5,108.11/x
  3. Step 3: Cross multiply
    8,883.70x = 12,260.10 × 5,108.11
  4. Step 4: Simplify right side
    8,883.70x = 62,625,939.41
  5. Step 5: Solve for x
    x = 62,625,939.41/8,883.70
  6. Step 6: Final answer
    x = 7,049.53

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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.