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Finding the Fourth Proportional to 8,816.65, 12,167.42 and 4,837.73

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Solution

The fourth proportional to 8,816.65, 12,167.42 and 4,837.73 is: 6,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.65 : 12,167.42 = 4,837.73 : x
  2. Step 2: Convert to fraction form
    8,816.65/12,167.42 = 4,837.73/x
  3. Step 3: Cross multiply
    8,816.65x = 12,167.42 × 4,837.73
  4. Step 4: Simplify right side
    8,816.65x = 58,862,607.73
  5. Step 5: Solve for x
    x = 58,862,607.73/8,816.65
  6. Step 6: Final answer
    x = 6,676.30

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Double scale
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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.