Home / 7,449.48-11,174.76-2,255.76

Finding the Fourth Proportional to 7,449.48, 11,174.76 and 2,255.76

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Solution

The fourth proportional to 7,449.48, 11,174.76 and 2,255.76 is: 3,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.48 : 11,174.76 = 2,255.76 : x
  2. Step 2: Convert to fraction form
    7,449.48/11,174.76 = 2,255.76/x
  3. Step 3: Cross multiply
    7,449.48x = 11,174.76 × 2,255.76
  4. Step 4: Simplify right side
    7,449.48x = 25,207,576.62
  5. Step 5: Solve for x
    x = 25,207,576.62/7,449.48
  6. Step 6: Final answer
    x = 3,383.80

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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.