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Finding the Fourth Proportional to 8,957.22, 12,366.36 and 5,934.90

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Solution

The fourth proportional to 8,957.22, 12,366.36 and 5,934.90 is: 8,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.22 : 12,366.36 = 5,934.90 : x
  2. Step 2: Convert to fraction form
    8,957.22/12,366.36 = 5,934.90/x
  3. Step 3: Cross multiply
    8,957.22x = 12,366.36 × 5,934.90
  4. Step 4: Simplify right side
    8,957.22x = 73,393,109.96
  5. Step 5: Solve for x
    x = 73,393,109.96/8,957.22
  6. Step 6: Final answer
    x = 8,193.74

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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.