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Finding the Fourth Proportional to 8,463.65, 12,693.87 and 3,199.14

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Solution

The fourth proportional to 8,463.65, 12,693.87 and 3,199.14 is: 4,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.65 : 12,693.87 = 3,199.14 : x
  2. Step 2: Convert to fraction form
    8,463.65/12,693.87 = 3,199.14/x
  3. Step 3: Cross multiply
    8,463.65x = 12,693.87 × 3,199.14
  4. Step 4: Simplify right side
    8,463.65x = 40,609,467.27
  5. Step 5: Solve for x
    x = 40,609,467.27/8,463.65
  6. Step 6: Final answer
    x = 4,798.11

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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.