Home / 9,119.66-13,672.19-3,571.97

Finding the Fourth Proportional to 9,119.66, 13,672.19 and 3,571.97

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Solution

The fourth proportional to 9,119.66, 13,672.19 and 3,571.97 is: 5,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.66 : 13,672.19 = 3,571.97 : x
  2. Step 2: Convert to fraction form
    9,119.66/13,672.19 = 3,571.97/x
  3. Step 3: Cross multiply
    9,119.66x = 13,672.19 × 3,571.97
  4. Step 4: Simplify right side
    9,119.66x = 48,836,593.08
  5. Step 5: Solve for x
    x = 48,836,593.08/9,119.66
  6. Step 6: Final answer
    x = 5,355.09

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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.