Home / 9,191.13-13,764.75-5,287.33

Finding the Fourth Proportional to 9,191.13, 13,764.75 and 5,287.33

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Solution

The fourth proportional to 9,191.13, 13,764.75 and 5,287.33 is: 7,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.13 : 13,764.75 = 5,287.33 : x
  2. Step 2: Convert to fraction form
    9,191.13/13,764.75 = 5,287.33/x
  3. Step 3: Cross multiply
    9,191.13x = 13,764.75 × 5,287.33
  4. Step 4: Simplify right side
    9,191.13x = 72,778,775.62
  5. Step 5: Solve for x
    x = 72,778,775.62/9,191.13
  6. Step 6: Final answer
    x = 7,918.38

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