Home / 11,949.28-17,911.55-4,049.19

Finding the Fourth Proportional to 11,949.28, 17,911.55 and 4,049.19

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Solution

The fourth proportional to 11,949.28, 17,911.55 and 4,049.19 is: 6,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.28 : 17,911.55 = 4,049.19 : x
  2. Step 2: Convert to fraction form
    11,949.28/17,911.55 = 4,049.19/x
  3. Step 3: Cross multiply
    11,949.28x = 17,911.55 × 4,049.19
  4. Step 4: Simplify right side
    11,949.28x = 72,527,279.27
  5. Step 5: Solve for x
    x = 72,527,279.27/11,949.28
  6. Step 6: Final answer
    x = 6,069.60

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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.