Home / 11,971.44-17,965.37-4,180.25

Finding the Fourth Proportional to 11,971.44, 17,965.37 and 4,180.25

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Solution

The fourth proportional to 11,971.44, 17,965.37 and 4,180.25 is: 6,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.44 : 17,965.37 = 4,180.25 : x
  2. Step 2: Convert to fraction form
    11,971.44/17,965.37 = 4,180.25/x
  3. Step 3: Cross multiply
    11,971.44x = 17,965.37 × 4,180.25
  4. Step 4: Simplify right side
    11,971.44x = 75,099,761.95
  5. Step 5: Solve for x
    x = 75,099,761.95/11,971.44
  6. Step 6: Final answer
    x = 6,273.24

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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.