Home / 7,648.12-11,470.60-3,486.96

Finding the Fourth Proportional to 7,648.12, 11,470.60 and 3,486.96

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Solution

The fourth proportional to 7,648.12, 11,470.60 and 3,486.96 is: 5,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.12 : 11,470.60 = 3,486.96 : x
  2. Step 2: Convert to fraction form
    7,648.12/11,470.60 = 3,486.96/x
  3. Step 3: Cross multiply
    7,648.12x = 11,470.60 × 3,486.96
  4. Step 4: Simplify right side
    7,648.12x = 39,997,523.38
  5. Step 5: Solve for x
    x = 39,997,523.38/7,648.12
  6. Step 6: Final answer
    x = 5,229.72

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