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Finding the Fourth Proportional to 8,876.53, 13,302.10 and 6,518.03

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Solution

The fourth proportional to 8,876.53, 13,302.10 and 6,518.03 is: 9,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.53 : 13,302.10 = 6,518.03 : x
  2. Step 2: Convert to fraction form
    8,876.53/13,302.10 = 6,518.03/x
  3. Step 3: Cross multiply
    8,876.53x = 13,302.10 × 6,518.03
  4. Step 4: Simplify right side
    8,876.53x = 86,703,387.76
  5. Step 5: Solve for x
    x = 86,703,387.76/8,876.53
  6. Step 6: Final answer
    x = 9,767.72

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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.