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Finding the Fourth Proportional to 8,365.16, 12,551.28 and 4,202.97

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Solution

The fourth proportional to 8,365.16, 12,551.28 and 4,202.97 is: 6,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.16 : 12,551.28 = 4,202.97 : x
  2. Step 2: Convert to fraction form
    8,365.16/12,551.28 = 4,202.97/x
  3. Step 3: Cross multiply
    8,365.16x = 12,551.28 × 4,202.97
  4. Step 4: Simplify right side
    8,365.16x = 52,752,653.30
  5. Step 5: Solve for x
    x = 52,752,653.30/8,365.16
  6. Step 6: Final answer
    x = 6,306.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.