Home / 9,108.10-13,658.85-3,183.32

Finding the Fourth Proportional to 9,108.10, 13,658.85 and 3,183.32

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Solution

The fourth proportional to 9,108.10, 13,658.85 and 3,183.32 is: 4,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.10 : 13,658.85 = 3,183.32 : x
  2. Step 2: Convert to fraction form
    9,108.10/13,658.85 = 3,183.32/x
  3. Step 3: Cross multiply
    9,108.10x = 13,658.85 × 3,183.32
  4. Step 4: Simplify right side
    9,108.10x = 43,480,490.38
  5. Step 5: Solve for x
    x = 43,480,490.38/9,108.10
  6. Step 6: Final answer
    x = 4,773.83

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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.