Home / 7,729.05-11,577.15-5,231.76

Finding the Fourth Proportional to 7,729.05, 11,577.15 and 5,231.76

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Solution

The fourth proportional to 7,729.05, 11,577.15 and 5,231.76 is: 7,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.05 : 11,577.15 = 5,231.76 : x
  2. Step 2: Convert to fraction form
    7,729.05/11,577.15 = 5,231.76/x
  3. Step 3: Cross multiply
    7,729.05x = 11,577.15 × 5,231.76
  4. Step 4: Simplify right side
    7,729.05x = 60,568,939.27
  5. Step 5: Solve for x
    x = 60,568,939.27/7,729.05
  6. Step 6: Final answer
    x = 7,836.54

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