Home / 11,976.44-17,972.88-4,185.26

Finding the Fourth Proportional to 11,976.44, 17,972.88 and 4,185.26

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Solution

The fourth proportional to 11,976.44, 17,972.88 and 4,185.26 is: 6,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.44 : 17,972.88 = 4,185.26 : x
  2. Step 2: Convert to fraction form
    11,976.44/17,972.88 = 4,185.26/x
  3. Step 3: Cross multiply
    11,976.44x = 17,972.88 × 4,185.26
  4. Step 4: Simplify right side
    11,976.44x = 75,221,175.75
  5. Step 5: Solve for x
    x = 75,221,175.75/11,976.44
  6. Step 6: Final answer
    x = 6,280.76

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1.5x scale

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.