Home / 9,481.91-14,220.23-2,819.87

Finding the Fourth Proportional to 9,481.91, 14,220.23 and 2,819.87

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Solution

The fourth proportional to 9,481.91, 14,220.23 and 2,819.87 is: 4,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.91 : 14,220.23 = 2,819.87 : x
  2. Step 2: Convert to fraction form
    9,481.91/14,220.23 = 2,819.87/x
  3. Step 3: Cross multiply
    9,481.91x = 14,220.23 × 2,819.87
  4. Step 4: Simplify right side
    9,481.91x = 40,099,135.92
  5. Step 5: Solve for x
    x = 40,099,135.92/9,481.91
  6. Step 6: Final answer
    x = 4,229.01

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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.