Home / 11,150.57-15,387.96-6,115.25

Finding the Fourth Proportional to 11,150.57, 15,387.96 and 6,115.25

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Solution

The fourth proportional to 11,150.57, 15,387.96 and 6,115.25 is: 8,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.57 : 15,387.96 = 6,115.25 : x
  2. Step 2: Convert to fraction form
    11,150.57/15,387.96 = 6,115.25/x
  3. Step 3: Cross multiply
    11,150.57x = 15,387.96 × 6,115.25
  4. Step 4: Simplify right side
    11,150.57x = 94,101,222.39
  5. Step 5: Solve for x
    x = 94,101,222.39/11,150.57
  6. Step 6: Final answer
    x = 8,439.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.