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Finding the Fourth Proportional to 12,604.03, 17,393.96 and 6,861.87

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Solution

The fourth proportional to 12,604.03, 17,393.96 and 6,861.87 is: 9,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.03 : 17,393.96 = 6,861.87 : x
  2. Step 2: Convert to fraction form
    12,604.03/17,393.96 = 6,861.87/x
  3. Step 3: Cross multiply
    12,604.03x = 17,393.96 × 6,861.87
  4. Step 4: Simplify right side
    12,604.03x = 119,355,119.78
  5. Step 5: Solve for x
    x = 119,355,119.78/12,604.03
  6. Step 6: Final answer
    x = 9,469.60

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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.