Home / 7,481.73-11,222.60-2,287.56

Finding the Fourth Proportional to 7,481.73, 11,222.60 and 2,287.56

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Solution

The fourth proportional to 7,481.73, 11,222.60 and 2,287.56 is: 3,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.73 : 11,222.60 = 2,287.56 : x
  2. Step 2: Convert to fraction form
    7,481.73/11,222.60 = 2,287.56/x
  3. Step 3: Cross multiply
    7,481.73x = 11,222.60 × 2,287.56
  4. Step 4: Simplify right side
    7,481.73x = 25,672,359.42
  5. Step 5: Solve for x
    x = 25,672,359.42/7,481.73
  6. Step 6: Final answer
    x = 3,431.34

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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.