Home / 11,183.91-16,775.96-3,392.72

Finding the Fourth Proportional to 11,183.91, 16,775.96 and 3,392.72

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Solution

The fourth proportional to 11,183.91, 16,775.96 and 3,392.72 is: 5,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.91 : 16,775.96 = 3,392.72 : x
  2. Step 2: Convert to fraction form
    11,183.91/16,775.96 = 3,392.72/x
  3. Step 3: Cross multiply
    11,183.91x = 16,775.96 × 3,392.72
  4. Step 4: Simplify right side
    11,183.91x = 56,916,116.16
  5. Step 5: Solve for x
    x = 56,916,116.16/11,183.91
  6. Step 6: Final answer
    x = 5,089.11

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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.