Home / 6,115.24-9,172.38-2,220.52

Finding the Fourth Proportional to 6,115.24, 9,172.38 and 2,220.52

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Solution

The fourth proportional to 6,115.24, 9,172.38 and 2,220.52 is: 3,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.24 : 9,172.38 = 2,220.52 : x
  2. Step 2: Convert to fraction form
    6,115.24/9,172.38 = 2,220.52/x
  3. Step 3: Cross multiply
    6,115.24x = 9,172.38 × 2,220.52
  4. Step 4: Simplify right side
    6,115.24x = 20,367,453.24
  5. Step 5: Solve for x
    x = 20,367,453.24/6,115.24
  6. Step 6: Final answer
    x = 3,330.61

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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.