Home / 11,163.78-16,748.10-4,238.28

Finding the Fourth Proportional to 11,163.78, 16,748.10 and 4,238.28

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Solution

The fourth proportional to 11,163.78, 16,748.10 and 4,238.28 is: 6,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.78 : 16,748.10 = 4,238.28 : x
  2. Step 2: Convert to fraction form
    11,163.78/16,748.10 = 4,238.28/x
  3. Step 3: Cross multiply
    11,163.78x = 16,748.10 × 4,238.28
  4. Step 4: Simplify right side
    11,163.78x = 70,983,137.27
  5. Step 5: Solve for x
    x = 70,983,137.27/11,163.78
  6. Step 6: Final answer
    x = 6,358.34

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