Home / 7,989.44-11,025.56-4,452.65

Finding the Fourth Proportional to 7,989.44, 11,025.56 and 4,452.65

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Solution

The fourth proportional to 7,989.44, 11,025.56 and 4,452.65 is: 6,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.44 : 11,025.56 = 4,452.65 : x
  2. Step 2: Convert to fraction form
    7,989.44/11,025.56 = 4,452.65/x
  3. Step 3: Cross multiply
    7,989.44x = 11,025.56 × 4,452.65
  4. Step 4: Simplify right side
    7,989.44x = 49,092,882.34
  5. Step 5: Solve for x
    x = 49,092,882.34/7,989.44
  6. Step 6: Final answer
    x = 6,144.72

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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.