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Finding the Fourth Proportional to 8,883.66, 12,262.97 and 5,346.20

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Solution

The fourth proportional to 8,883.66, 12,262.97 and 5,346.20 is: 7,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.66 : 12,262.97 = 5,346.20 : x
  2. Step 2: Convert to fraction form
    8,883.66/12,262.97 = 5,346.20/x
  3. Step 3: Cross multiply
    8,883.66x = 12,262.97 × 5,346.20
  4. Step 4: Simplify right side
    8,883.66x = 65,560,202.17
  5. Step 5: Solve for x
    x = 65,560,202.17/8,883.66
  6. Step 6: Final answer
    x = 7,379.86

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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.