Home / 11,189.72-16,759.05-5,350.46

Finding the Fourth Proportional to 11,189.72, 16,759.05 and 5,350.46

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Solution

The fourth proportional to 11,189.72, 16,759.05 and 5,350.46 is: 8,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.72 : 16,759.05 = 5,350.46 : x
  2. Step 2: Convert to fraction form
    11,189.72/16,759.05 = 5,350.46/x
  3. Step 3: Cross multiply
    11,189.72x = 16,759.05 × 5,350.46
  4. Step 4: Simplify right side
    11,189.72x = 89,668,626.66
  5. Step 5: Solve for x
    x = 89,668,626.66/11,189.72
  6. Step 6: Final answer
    x = 8,013.48

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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.