Home / 9,105.14-13,646.77-3,838.12

Finding the Fourth Proportional to 9,105.14, 13,646.77 and 3,838.12

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Solution

The fourth proportional to 9,105.14, 13,646.77 and 3,838.12 is: 5,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.14 : 13,646.77 = 3,838.12 : x
  2. Step 2: Convert to fraction form
    9,105.14/13,646.77 = 3,838.12/x
  3. Step 3: Cross multiply
    9,105.14x = 13,646.77 × 3,838.12
  4. Step 4: Simplify right side
    9,105.14x = 52,377,897.16
  5. Step 5: Solve for x
    x = 52,377,897.16/9,105.14
  6. Step 6: Final answer
    x = 5,752.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.