Home / 12,450.38-17,176.08-8,195.96

Finding the Fourth Proportional to 12,450.38, 17,176.08 and 8,195.96

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Solution

The fourth proportional to 12,450.38, 17,176.08 and 8,195.96 is: 11,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.38 : 17,176.08 = 8,195.96 : x
  2. Step 2: Convert to fraction form
    12,450.38/17,176.08 = 8,195.96/x
  3. Step 3: Cross multiply
    12,450.38x = 17,176.08 × 8,195.96
  4. Step 4: Simplify right side
    12,450.38x = 140,774,464.64
  5. Step 5: Solve for x
    x = 140,774,464.64/12,450.38
  6. Step 6: Final answer
    x = 11,306.84

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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.