Home / 11,976.44-17,972.87-4,185.25

Finding the Fourth Proportional to 11,976.44, 17,972.87 and 4,185.25

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Solution

The fourth proportional to 11,976.44, 17,972.87 and 4,185.25 is: 6,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.44 : 17,972.87 = 4,185.25 : x
  2. Step 2: Convert to fraction form
    11,976.44/17,972.87 = 4,185.25/x
  3. Step 3: Cross multiply
    11,976.44x = 17,972.87 × 4,185.25
  4. Step 4: Simplify right side
    11,976.44x = 75,220,954.17
  5. Step 5: Solve for x
    x = 75,220,954.17/11,976.44
  6. Step 6: Final answer
    x = 6,280.74

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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.