Home / 11,170.57-16,758.62-3,379.38

Finding the Fourth Proportional to 11,170.57, 16,758.62 and 3,379.38

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Solution

The fourth proportional to 11,170.57, 16,758.62 and 3,379.38 is: 5,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.57 : 16,758.62 = 3,379.38 : x
  2. Step 2: Convert to fraction form
    11,170.57/16,758.62 = 3,379.38/x
  3. Step 3: Cross multiply
    11,170.57x = 16,758.62 × 3,379.38
  4. Step 4: Simplify right side
    11,170.57x = 56,633,728.36
  5. Step 5: Solve for x
    x = 56,633,728.36/11,170.57
  6. Step 6: Final answer
    x = 5,069.90

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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.