Home / 9,134.46-13,703.12-3,869.48

Finding the Fourth Proportional to 9,134.46, 13,703.12 and 3,869.48

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Solution

The fourth proportional to 9,134.46, 13,703.12 and 3,869.48 is: 5,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.46 : 13,703.12 = 3,869.48 : x
  2. Step 2: Convert to fraction form
    9,134.46/13,703.12 = 3,869.48/x
  3. Step 3: Cross multiply
    9,134.46x = 13,703.12 × 3,869.48
  4. Step 4: Simplify right side
    9,134.46x = 53,023,978.20
  5. Step 5: Solve for x
    x = 53,023,978.20/9,134.46
  6. Step 6: Final answer
    x = 5,804.83

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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.