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Finding the Fourth Proportional to 11,274.88, 15,544.42 and 9,250.88

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Solution

The fourth proportional to 11,274.88, 15,544.42 and 9,250.88 is: 12,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.88 : 15,544.42 = 9,250.88 : x
  2. Step 2: Convert to fraction form
    11,274.88/15,544.42 = 9,250.88/x
  3. Step 3: Cross multiply
    11,274.88x = 15,544.42 × 9,250.88
  4. Step 4: Simplify right side
    11,274.88x = 143,799,564.09
  5. Step 5: Solve for x
    x = 143,799,564.09/11,274.88
  6. Step 6: Final answer
    x = 12,753.98

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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.