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Finding the Fourth Proportional to 8,884.92, 12,263.32 and 5,347.46

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Solution

The fourth proportional to 8,884.92, 12,263.32 and 5,347.46 is: 7,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.92 : 12,263.32 = 5,347.46 : x
  2. Step 2: Convert to fraction form
    8,884.92/12,263.32 = 5,347.46/x
  3. Step 3: Cross multiply
    8,884.92x = 12,263.32 × 5,347.46
  4. Step 4: Simplify right side
    8,884.92x = 65,577,613.17
  5. Step 5: Solve for x
    x = 65,577,613.17/8,884.92
  6. Step 6: Final answer
    x = 7,380.78

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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.