Home / 7,932.20-11,897.40-2,089.27

Finding the Fourth Proportional to 7,932.20, 11,897.40 and 2,089.27

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Solution

The fourth proportional to 7,932.20, 11,897.40 and 2,089.27 is: 3,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.20 : 11,897.40 = 2,089.27 : x
  2. Step 2: Convert to fraction form
    7,932.20/11,897.40 = 2,089.27/x
  3. Step 3: Cross multiply
    7,932.20x = 11,897.40 × 2,089.27
  4. Step 4: Simplify right side
    7,932.20x = 24,856,821.41
  5. Step 5: Solve for x
    x = 24,856,821.41/7,932.20
  6. Step 6: Final answer
    x = 3,133.66

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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.