Home / 11,851.06-17,787.36-6,309.04

Finding the Fourth Proportional to 11,851.06, 17,787.36 and 6,309.04

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Solution

The fourth proportional to 11,851.06, 17,787.36 and 6,309.04 is: 9,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.06 : 17,787.36 = 6,309.04 : x
  2. Step 2: Convert to fraction form
    11,851.06/17,787.36 = 6,309.04/x
  3. Step 3: Cross multiply
    11,851.06x = 17,787.36 × 6,309.04
  4. Step 4: Simplify right side
    11,851.06x = 112,221,165.73
  5. Step 5: Solve for x
    x = 112,221,165.73/11,851.06
  6. Step 6: Final answer
    x = 9,469.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.