Home / 10,105.82-15,158.55-3,531.98

Finding the Fourth Proportional to 10,105.82, 15,158.55 and 3,531.98

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Solution

The fourth proportional to 10,105.82, 15,158.55 and 3,531.98 is: 5,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.82 : 15,158.55 = 3,531.98 : x
  2. Step 2: Convert to fraction form
    10,105.82/15,158.55 = 3,531.98/x
  3. Step 3: Cross multiply
    10,105.82x = 15,158.55 × 3,531.98
  4. Step 4: Simplify right side
    10,105.82x = 53,539,695.43
  5. Step 5: Solve for x
    x = 53,539,695.43/10,105.82
  6. Step 6: Final answer
    x = 5,297.91

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