Home / 8,103.74-11,183.10-4,518.66

Finding the Fourth Proportional to 8,103.74, 11,183.10 and 4,518.66

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Solution

The fourth proportional to 8,103.74, 11,183.10 and 4,518.66 is: 6,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.74 : 11,183.10 = 4,518.66 : x
  2. Step 2: Convert to fraction form
    8,103.74/11,183.10 = 4,518.66/x
  3. Step 3: Cross multiply
    8,103.74x = 11,183.10 × 4,518.66
  4. Step 4: Simplify right side
    8,103.74x = 50,532,626.65
  5. Step 5: Solve for x
    x = 50,532,626.65/8,103.74
  6. Step 6: Final answer
    x = 6,235.72

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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.