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Finding the Fourth Proportional to 8,823.62, 12,176.88 and 5,097.62

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Solution

The fourth proportional to 8,823.62, 12,176.88 and 5,097.62 is: 7,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.62 : 12,176.88 = 5,097.62 : x
  2. Step 2: Convert to fraction form
    8,823.62/12,176.88 = 5,097.62/x
  3. Step 3: Cross multiply
    8,823.62x = 12,176.88 × 5,097.62
  4. Step 4: Simplify right side
    8,823.62x = 62,073,107.03
  5. Step 5: Solve for x
    x = 62,073,107.03/8,823.62
  6. Step 6: Final answer
    x = 7,034.88

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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.