Home / 11,943.75-16,483.30-6,638.91

Finding the Fourth Proportional to 11,943.75, 16,483.30 and 6,638.91

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Solution

The fourth proportional to 11,943.75, 16,483.30 and 6,638.91 is: 9,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.75 : 16,483.30 = 6,638.91 : x
  2. Step 2: Convert to fraction form
    11,943.75/16,483.30 = 6,638.91/x
  3. Step 3: Cross multiply
    11,943.75x = 16,483.30 × 6,638.91
  4. Step 4: Simplify right side
    11,943.75x = 109,431,159.51
  5. Step 5: Solve for x
    x = 109,431,159.51/11,943.75
  6. Step 6: Final answer
    x = 9,162.21

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