Home / 6,872.33-10,242.87-6,671.85

Finding the Fourth Proportional to 6,872.33, 10,242.87 and 6,671.85

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Solution

The fourth proportional to 6,872.33, 10,242.87 and 6,671.85 is: 9,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.33 : 10,242.87 = 6,671.85 : x
  2. Step 2: Convert to fraction form
    6,872.33/10,242.87 = 6,671.85/x
  3. Step 3: Cross multiply
    6,872.33x = 10,242.87 × 6,671.85
  4. Step 4: Simplify right side
    6,872.33x = 68,338,892.21
  5. Step 5: Solve for x
    x = 68,338,892.21/6,872.33
  6. Step 6: Final answer
    x = 9,944.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.