Home / 6,115.48-9,174.62-2,219.88

Finding the Fourth Proportional to 6,115.48, 9,174.62 and 2,219.88

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Solution

The fourth proportional to 6,115.48, 9,174.62 and 2,219.88 is: 3,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.48 : 9,174.62 = 2,219.88 : x
  2. Step 2: Convert to fraction form
    6,115.48/9,174.62 = 2,219.88/x
  3. Step 3: Cross multiply
    6,115.48x = 9,174.62 × 2,219.88
  4. Step 4: Simplify right side
    6,115.48x = 20,366,555.45
  5. Step 5: Solve for x
    x = 20,366,555.45/6,115.48
  6. Step 6: Final answer
    x = 3,330.33

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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.