Home / 6,872.77-10,310.55-2,192.65

Finding the Fourth Proportional to 6,872.77, 10,310.55 and 2,192.65

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Solution

The fourth proportional to 6,872.77, 10,310.55 and 2,192.65 is: 3,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.77 : 10,310.55 = 2,192.65 : x
  2. Step 2: Convert to fraction form
    6,872.77/10,310.55 = 2,192.65/x
  3. Step 3: Cross multiply
    6,872.77x = 10,310.55 × 2,192.65
  4. Step 4: Simplify right side
    6,872.77x = 22,607,375.90
  5. Step 5: Solve for x
    x = 22,607,375.90/6,872.77
  6. Step 6: Final answer
    x = 3,289.41

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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.