Home / 9,161.91-13,732.67-3,901.31

Finding the Fourth Proportional to 9,161.91, 13,732.67 and 3,901.31

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Solution

The fourth proportional to 9,161.91, 13,732.67 and 3,901.31 is: 5,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.91 : 13,732.67 = 3,901.31 : x
  2. Step 2: Convert to fraction form
    9,161.91/13,732.67 = 3,901.31/x
  3. Step 3: Cross multiply
    9,161.91x = 13,732.67 × 3,901.31
  4. Step 4: Simplify right side
    9,161.91x = 53,575,450.69
  5. Step 5: Solve for x
    x = 53,575,450.69/9,161.91
  6. Step 6: Final answer
    x = 5,847.63

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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.