Home / 11,922.78-16,452.67-6,617.60

Finding the Fourth Proportional to 11,922.78, 16,452.67 and 6,617.60

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Solution

The fourth proportional to 11,922.78, 16,452.67 and 6,617.60 is: 9,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.78 : 16,452.67 = 6,617.60 : x
  2. Step 2: Convert to fraction form
    11,922.78/16,452.67 = 6,617.60/x
  3. Step 3: Cross multiply
    11,922.78x = 16,452.67 × 6,617.60
  4. Step 4: Simplify right side
    11,922.78x = 108,877,188.99
  5. Step 5: Solve for x
    x = 108,877,188.99/11,922.78
  6. Step 6: Final answer
    x = 9,131.86

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