Home / 7,951.14-11,928.72-5,615.70

Finding the Fourth Proportional to 7,951.14, 11,928.72 and 5,615.70

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Solution

The fourth proportional to 7,951.14, 11,928.72 and 5,615.70 is: 8,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.14 : 11,928.72 = 5,615.70 : x
  2. Step 2: Convert to fraction form
    7,951.14/11,928.72 = 5,615.70/x
  3. Step 3: Cross multiply
    7,951.14x = 11,928.72 × 5,615.70
  4. Step 4: Simplify right side
    7,951.14x = 66,988,112.90
  5. Step 5: Solve for x
    x = 66,988,112.90/7,951.14
  6. Step 6: Final answer
    x = 8,424.97

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