Home / 7,591.35-11,388.24-3,432.81

Finding the Fourth Proportional to 7,591.35, 11,388.24 and 3,432.81

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Solution

The fourth proportional to 7,591.35, 11,388.24 and 3,432.81 is: 5,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.35 : 11,388.24 = 3,432.81 : x
  2. Step 2: Convert to fraction form
    7,591.35/11,388.24 = 3,432.81/x
  3. Step 3: Cross multiply
    7,591.35x = 11,388.24 × 3,432.81
  4. Step 4: Simplify right side
    7,591.35x = 39,093,664.15
  5. Step 5: Solve for x
    x = 39,093,664.15/7,591.35
  6. Step 6: Final answer
    x = 5,149.76

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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.