Home / 11,229.30-16,843.95-3,438.18

Finding the Fourth Proportional to 11,229.30, 16,843.95 and 3,438.18

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Solution

The fourth proportional to 11,229.30, 16,843.95 and 3,438.18 is: 5,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.30 : 16,843.95 = 3,438.18 : x
  2. Step 2: Convert to fraction form
    11,229.30/16,843.95 = 3,438.18/x
  3. Step 3: Cross multiply
    11,229.30x = 16,843.95 × 3,438.18
  4. Step 4: Simplify right side
    11,229.30x = 57,912,532.01
  5. Step 5: Solve for x
    x = 57,912,532.01/11,229.30
  6. Step 6: Final answer
    x = 5,157.27

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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.