Home / 8,976.06-13,459.89-3,131.94

Finding the Fourth Proportional to 8,976.06, 13,459.89 and 3,131.94

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Solution

The fourth proportional to 8,976.06, 13,459.89 and 3,131.94 is: 4,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.06 : 13,459.89 = 3,131.94 : x
  2. Step 2: Convert to fraction form
    8,976.06/13,459.89 = 3,131.94/x
  3. Step 3: Cross multiply
    8,976.06x = 13,459.89 × 3,131.94
  4. Step 4: Simplify right side
    8,976.06x = 42,155,567.89
  5. Step 5: Solve for x
    x = 42,155,567.89/8,976.06
  6. Step 6: Final answer
    x = 4,696.44

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