Home / 7,451.35-11,173.20-3,943.25

Finding the Fourth Proportional to 7,451.35, 11,173.20 and 3,943.25

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Solution

The fourth proportional to 7,451.35, 11,173.20 and 3,943.25 is: 5,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.35 : 11,173.20 = 3,943.25 : x
  2. Step 2: Convert to fraction form
    7,451.35/11,173.20 = 3,943.25/x
  3. Step 3: Cross multiply
    7,451.35x = 11,173.20 × 3,943.25
  4. Step 4: Simplify right side
    7,451.35x = 44,058,720.90
  5. Step 5: Solve for x
    x = 44,058,720.90/7,451.35
  6. Step 6: Final answer
    x = 5,912.85

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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.