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Finding the Fourth Proportional to 12,463.89, 17,199.68 and 6,874.89

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Solution

The fourth proportional to 12,463.89, 17,199.68 and 6,874.89 is: 9,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.89 : 17,199.68 = 6,874.89 : x
  2. Step 2: Convert to fraction form
    12,463.89/17,199.68 = 6,874.89/x
  3. Step 3: Cross multiply
    12,463.89x = 17,199.68 × 6,874.89
  4. Step 4: Simplify right side
    12,463.89x = 118,245,908.04
  5. Step 5: Solve for x
    x = 118,245,908.04/12,463.89
  6. Step 6: Final answer
    x = 9,487.08

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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.