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Finding the Fourth Proportional to 11,251.24, 16,806.71 and 8,335.24

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Solution

The fourth proportional to 11,251.24, 16,806.71 and 8,335.24 is: 12,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.24 : 16,806.71 = 8,335.24 : x
  2. Step 2: Convert to fraction form
    11,251.24/16,806.71 = 8,335.24/x
  3. Step 3: Cross multiply
    11,251.24x = 16,806.71 × 8,335.24
  4. Step 4: Simplify right side
    11,251.24x = 140,087,961.46
  5. Step 5: Solve for x
    x = 140,087,961.46/11,251.24
  6. Step 6: Final answer
    x = 12,450.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.