Home / 11,021.22-16,524.63-3,999.90

Finding the Fourth Proportional to 11,021.22, 16,524.63 and 3,999.90

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Solution

The fourth proportional to 11,021.22, 16,524.63 and 3,999.90 is: 5,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.22 : 16,524.63 = 3,999.90 : x
  2. Step 2: Convert to fraction form
    11,021.22/16,524.63 = 3,999.90/x
  3. Step 3: Cross multiply
    11,021.22x = 16,524.63 × 3,999.90
  4. Step 4: Simplify right side
    11,021.22x = 66,096,867.54
  5. Step 5: Solve for x
    x = 66,096,867.54/11,021.22
  6. Step 6: Final answer
    x = 5,997.24

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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.