Home / 11,911.03-17,866.55-4,115.59

Finding the Fourth Proportional to 11,911.03, 17,866.55 and 4,115.59

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Solution

The fourth proportional to 11,911.03, 17,866.55 and 4,115.59 is: 6,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.03 : 17,866.55 = 4,115.59 : x
  2. Step 2: Convert to fraction form
    11,911.03/17,866.55 = 4,115.59/x
  3. Step 3: Cross multiply
    11,911.03x = 17,866.55 × 4,115.59
  4. Step 4: Simplify right side
    11,911.03x = 73,531,373.94
  5. Step 5: Solve for x
    x = 73,531,373.94/11,911.03
  6. Step 6: Final answer
    x = 6,173.39

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