Home / 11,183.44-16,776.78-4,162.87

Finding the Fourth Proportional to 11,183.44, 16,776.78 and 4,162.87

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Solution

The fourth proportional to 11,183.44, 16,776.78 and 4,162.87 is: 6,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.44 : 16,776.78 = 4,162.87 : x
  2. Step 2: Convert to fraction form
    11,183.44/16,776.78 = 4,162.87/x
  3. Step 3: Cross multiply
    11,183.44x = 16,776.78 × 4,162.87
  4. Step 4: Simplify right side
    11,183.44x = 69,839,554.16
  5. Step 5: Solve for x
    x = 69,839,554.16/11,183.44
  6. Step 6: Final answer
    x = 6,244.91

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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.