Home / 11,301.31-16,951.97-4,375.81

Finding the Fourth Proportional to 11,301.31, 16,951.97 and 4,375.81

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Solution

The fourth proportional to 11,301.31, 16,951.97 and 4,375.81 is: 6,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.31 : 16,951.97 = 4,375.81 : x
  2. Step 2: Convert to fraction form
    11,301.31/16,951.97 = 4,375.81/x
  3. Step 3: Cross multiply
    11,301.31x = 16,951.97 × 4,375.81
  4. Step 4: Simplify right side
    11,301.31x = 74,178,599.85
  5. Step 5: Solve for x
    x = 74,178,599.85/11,301.31
  6. Step 6: Final answer
    x = 6,563.72

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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.