Home / 10,923.19-16,380.62-3,901.89

Finding the Fourth Proportional to 10,923.19, 16,380.62 and 3,901.89

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Solution

The fourth proportional to 10,923.19, 16,380.62 and 3,901.89 is: 5,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.19 : 16,380.62 = 3,901.89 : x
  2. Step 2: Convert to fraction form
    10,923.19/16,380.62 = 3,901.89/x
  3. Step 3: Cross multiply
    10,923.19x = 16,380.62 × 3,901.89
  4. Step 4: Simplify right side
    10,923.19x = 63,915,377.37
  5. Step 5: Solve for x
    x = 63,915,377.37/10,923.19
  6. Step 6: Final answer
    x = 5,851.35

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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.