Home / 10,949.87-16,424.94-3,158.75

Finding the Fourth Proportional to 10,949.87, 16,424.94 and 3,158.75

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Solution

The fourth proportional to 10,949.87, 16,424.94 and 3,158.75 is: 4,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.87 : 16,424.94 = 3,158.75 : x
  2. Step 2: Convert to fraction form
    10,949.87/16,424.94 = 3,158.75/x
  3. Step 3: Cross multiply
    10,949.87x = 16,424.94 × 3,158.75
  4. Step 4: Simplify right side
    10,949.87x = 51,882,279.23
  5. Step 5: Solve for x
    x = 51,882,279.23/10,949.87
  6. Step 6: Final answer
    x = 4,738.16

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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.