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Finding the Fourth Proportional to 8,723.16, 12,033.73 and 5,183.87

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Solution

The fourth proportional to 8,723.16, 12,033.73 and 5,183.87 is: 7,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.16 : 12,033.73 = 5,183.87 : x
  2. Step 2: Convert to fraction form
    8,723.16/12,033.73 = 5,183.87/x
  3. Step 3: Cross multiply
    8,723.16x = 12,033.73 × 5,183.87
  4. Step 4: Simplify right side
    8,723.16x = 62,381,205.85
  5. Step 5: Solve for x
    x = 62,381,205.85/8,723.16
  6. Step 6: Final answer
    x = 7,151.22

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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.