Home / 7,517.96-11,273.48-3,132.80

Finding the Fourth Proportional to 7,517.96, 11,273.48 and 3,132.80

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Solution

The fourth proportional to 7,517.96, 11,273.48 and 3,132.80 is: 4,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.96 : 11,273.48 = 3,132.80 : x
  2. Step 2: Convert to fraction form
    7,517.96/11,273.48 = 3,132.80/x
  3. Step 3: Cross multiply
    7,517.96x = 11,273.48 × 3,132.80
  4. Step 4: Simplify right side
    7,517.96x = 35,317,558.14
  5. Step 5: Solve for x
    x = 35,317,558.14/7,517.96
  6. Step 6: Final answer
    x = 4,697.76

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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.