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Finding the Fourth Proportional to 11,246.67, 16,871.22 and 3,456.09

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Solution

The fourth proportional to 11,246.67, 16,871.22 and 3,456.09 is: 5,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.67 : 16,871.22 = 3,456.09 : x
  2. Step 2: Convert to fraction form
    11,246.67/16,871.22 = 3,456.09/x
  3. Step 3: Cross multiply
    11,246.67x = 16,871.22 × 3,456.09
  4. Step 4: Simplify right side
    11,246.67x = 58,308,454.73
  5. Step 5: Solve for x
    x = 58,308,454.73/11,246.67
  6. Step 6: Final answer
    x = 5,184.51

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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.