Home / 8,375.05-11,555.62-5,229.01

Finding the Fourth Proportional to 8,375.05, 11,555.62 and 5,229.01

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Solution

The fourth proportional to 8,375.05, 11,555.62 and 5,229.01 is: 7,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.05 : 11,555.62 = 5,229.01 : x
  2. Step 2: Convert to fraction form
    8,375.05/11,555.62 = 5,229.01/x
  3. Step 3: Cross multiply
    8,375.05x = 11,555.62 × 5,229.01
  4. Step 4: Simplify right side
    8,375.05x = 60,424,452.54
  5. Step 5: Solve for x
    x = 60,424,452.54/8,375.05
  6. Step 6: Final answer
    x = 7,214.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.