Home / 11,028.70-16,519.29-5,176.54

Finding the Fourth Proportional to 11,028.70, 16,519.29 and 5,176.54

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Solution

The fourth proportional to 11,028.70, 16,519.29 and 5,176.54 is: 7,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.70 : 16,519.29 = 5,176.54 : x
  2. Step 2: Convert to fraction form
    11,028.70/16,519.29 = 5,176.54/x
  3. Step 3: Cross multiply
    11,028.70x = 16,519.29 × 5,176.54
  4. Step 4: Simplify right side
    11,028.70x = 85,512,765.46
  5. Step 5: Solve for x
    x = 85,512,765.46/11,028.70
  6. Step 6: Final answer
    x = 7,753.66

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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.