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Finding the Fourth Proportional to 12,713.73, 17,525.51 and 8,926.28

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Solution

The fourth proportional to 12,713.73, 17,525.51 and 8,926.28 is: 12,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.73 : 17,525.51 = 8,926.28 : x
  2. Step 2: Convert to fraction form
    12,713.73/17,525.51 = 8,926.28/x
  3. Step 3: Cross multiply
    12,713.73x = 17,525.51 × 8,926.28
  4. Step 4: Simplify right side
    12,713.73x = 156,437,609.40
  5. Step 5: Solve for x
    x = 156,437,609.40/12,713.73
  6. Step 6: Final answer
    x = 12,304.62

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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.