Home / 43,860.75-65,791.13-11,028.75

Finding the Fourth Proportional to 43,860.75, 65,791.13 and 11,028.75

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Solution

The fourth proportional to 43,860.75, 65,791.13 and 11,028.75 is: 16,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,860.75 : 65,791.13 = 11,028.75 : x
  2. Step 2: Convert to fraction form
    43,860.75/65,791.13 = 11,028.75/x
  3. Step 3: Cross multiply
    43,860.75x = 65,791.13 × 11,028.75
  4. Step 4: Simplify right side
    43,860.75x = 725,593,869.84
  5. Step 5: Solve for x
    x = 725,593,869.84/43,860.75
  6. Step 6: Final answer
    x = 16,543.13

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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.