Home / 11,183.15-15,431.99-6,704.66

Finding the Fourth Proportional to 11,183.15, 15,431.99 and 6,704.66

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Solution

The fourth proportional to 11,183.15, 15,431.99 and 6,704.66 is: 9,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.15 : 15,431.99 = 6,704.66 : x
  2. Step 2: Convert to fraction form
    11,183.15/15,431.99 = 6,704.66/x
  3. Step 3: Cross multiply
    11,183.15x = 15,431.99 × 6,704.66
  4. Step 4: Simplify right side
    11,183.15x = 103,466,251.13
  5. Step 5: Solve for x
    x = 103,466,251.13/11,183.15
  6. Step 6: Final answer
    x = 9,251.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.