Home / 11,811.72-17,721.96-5,233.20

Finding the Fourth Proportional to 11,811.72, 17,721.96 and 5,233.20

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Solution

The fourth proportional to 11,811.72, 17,721.96 and 5,233.20 is: 7,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.72 : 17,721.96 = 5,233.20 : x
  2. Step 2: Convert to fraction form
    11,811.72/17,721.96 = 5,233.20/x
  3. Step 3: Cross multiply
    11,811.72x = 17,721.96 × 5,233.20
  4. Step 4: Simplify right side
    11,811.72x = 92,742,561.07
  5. Step 5: Solve for x
    x = 92,742,561.07/11,811.72
  6. Step 6: Final answer
    x = 7,851.74

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