Home / 7,249.96-10,872.38-3,450.16

Finding the Fourth Proportional to 7,249.96, 10,872.38 and 3,450.16

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Solution

The fourth proportional to 7,249.96, 10,872.38 and 3,450.16 is: 5,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.96 : 10,872.38 = 3,450.16 : x
  2. Step 2: Convert to fraction form
    7,249.96/10,872.38 = 3,450.16/x
  3. Step 3: Cross multiply
    7,249.96x = 10,872.38 × 3,450.16
  4. Step 4: Simplify right side
    7,249.96x = 37,511,450.58
  5. Step 5: Solve for x
    x = 37,511,450.58/7,249.96
  6. Step 6: Final answer
    x = 5,174.02

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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.