Home / 11,738.36-17,607.62-3,947.06

Finding the Fourth Proportional to 11,738.36, 17,607.62 and 3,947.06

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Solution

The fourth proportional to 11,738.36, 17,607.62 and 3,947.06 is: 5,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.36 : 17,607.62 = 3,947.06 : x
  2. Step 2: Convert to fraction form
    11,738.36/17,607.62 = 3,947.06/x
  3. Step 3: Cross multiply
    11,738.36x = 17,607.62 × 3,947.06
  4. Step 4: Simplify right side
    11,738.36x = 69,498,254.43
  5. Step 5: Solve for x
    x = 69,498,254.43/11,738.36
  6. Step 6: Final answer
    x = 5,920.61

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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.