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Finding the Fourth Proportional to 8,821.62, 12,174.12 and 5,095.62

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Solution

The fourth proportional to 8,821.62, 12,174.12 and 5,095.62 is: 7,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.62 : 12,174.12 = 5,095.62 : x
  2. Step 2: Convert to fraction form
    8,821.62/12,174.12 = 5,095.62/x
  3. Step 3: Cross multiply
    8,821.62x = 12,174.12 × 5,095.62
  4. Step 4: Simplify right side
    8,821.62x = 62,034,689.35
  5. Step 5: Solve for x
    x = 62,034,689.35/8,821.62
  6. Step 6: Final answer
    x = 7,032.12

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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.