Home / 12,088.41-18,138.19-5,516.61

Finding the Fourth Proportional to 12,088.41, 18,138.19 and 5,516.61

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Solution

The fourth proportional to 12,088.41, 18,138.19 and 5,516.61 is: 8,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.41 : 18,138.19 = 5,516.61 : x
  2. Step 2: Convert to fraction form
    12,088.41/18,138.19 = 5,516.61/x
  3. Step 3: Cross multiply
    12,088.41x = 18,138.19 × 5,516.61
  4. Step 4: Simplify right side
    12,088.41x = 100,061,229.64
  5. Step 5: Solve for x
    x = 100,061,229.64/12,088.41
  6. Step 6: Final answer
    x = 8,277.46

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