Home / 11,183.24-16,777.28-3,392.64

Finding the Fourth Proportional to 11,183.24, 16,777.28 and 3,392.64

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Solution

The fourth proportional to 11,183.24, 16,777.28 and 3,392.64 is: 5,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.24 : 16,777.28 = 3,392.64 : x
  2. Step 2: Convert to fraction form
    11,183.24/16,777.28 = 3,392.64/x
  3. Step 3: Cross multiply
    11,183.24x = 16,777.28 × 3,392.64
  4. Step 4: Simplify right side
    11,183.24x = 56,919,271.22
  5. Step 5: Solve for x
    x = 56,919,271.22/11,183.24
  6. Step 6: Final answer
    x = 5,089.69

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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.