Home / 11,923.08-17,872.92-6,660.61

Finding the Fourth Proportional to 11,923.08, 17,872.92 and 6,660.61

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Solution

The fourth proportional to 11,923.08, 17,872.92 and 6,660.61 is: 9,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.08 : 17,872.92 = 6,660.61 : x
  2. Step 2: Convert to fraction form
    11,923.08/17,872.92 = 6,660.61/x
  3. Step 3: Cross multiply
    11,923.08x = 17,872.92 × 6,660.61
  4. Step 4: Simplify right side
    11,923.08x = 119,044,539.73
  5. Step 5: Solve for x
    x = 119,044,539.73/11,923.08
  6. Step 6: Final answer
    x = 9,984.38

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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.