Home / 9,109.17-13,661.14-3,845.36

Finding the Fourth Proportional to 9,109.17, 13,661.14 and 3,845.36

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Solution

The fourth proportional to 9,109.17, 13,661.14 and 3,845.36 is: 5,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.17 : 13,661.14 = 3,845.36 : x
  2. Step 2: Convert to fraction form
    9,109.17/13,661.14 = 3,845.36/x
  3. Step 3: Cross multiply
    9,109.17x = 13,661.14 × 3,845.36
  4. Step 4: Simplify right side
    9,109.17x = 52,532,025.85
  5. Step 5: Solve for x
    x = 52,532,025.85/9,109.17
  6. Step 6: Final answer
    x = 5,766.94

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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.