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Finding the Fourth Proportional to 8,866.26, 12,234.50 and 4,887.14

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Solution

The fourth proportional to 8,866.26, 12,234.50 and 4,887.14 is: 6,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.26 : 12,234.50 = 4,887.14 : x
  2. Step 2: Convert to fraction form
    8,866.26/12,234.50 = 4,887.14/x
  3. Step 3: Cross multiply
    8,866.26x = 12,234.50 × 4,887.14
  4. Step 4: Simplify right side
    8,866.26x = 59,791,714.33
  5. Step 5: Solve for x
    x = 59,791,714.33/8,866.26
  6. Step 6: Final answer
    x = 6,743.74

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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.