Home / 11,761.73-17,644.16-6,215.30

Finding the Fourth Proportional to 11,761.73, 17,644.16 and 6,215.30

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Solution

The fourth proportional to 11,761.73, 17,644.16 and 6,215.30 is: 9,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.73 : 17,644.16 = 6,215.30 : x
  2. Step 2: Convert to fraction form
    11,761.73/17,644.16 = 6,215.30/x
  3. Step 3: Cross multiply
    11,761.73x = 17,644.16 × 6,215.30
  4. Step 4: Simplify right side
    11,761.73x = 109,663,747.65
  5. Step 5: Solve for x
    x = 109,663,747.65/11,761.73
  6. Step 6: Final answer
    x = 9,323.78

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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.