Home / 11,929.71-16,461.81-6,623.97

Finding the Fourth Proportional to 11,929.71, 16,461.81 and 6,623.97

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Solution

The fourth proportional to 11,929.71, 16,461.81 and 6,623.97 is: 9,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.71 : 16,461.81 = 6,623.97 : x
  2. Step 2: Convert to fraction form
    11,929.71/16,461.81 = 6,623.97/x
  3. Step 3: Cross multiply
    11,929.71x = 16,461.81 × 6,623.97
  4. Step 4: Simplify right side
    11,929.71x = 109,042,535.59
  5. Step 5: Solve for x
    x = 109,042,535.59/11,929.71
  6. Step 6: Final answer
    x = 9,140.42

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