Home / 8,723.09-12,033.62-5,183.79

Finding the Fourth Proportional to 8,723.09, 12,033.62 and 5,183.79

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Solution

The fourth proportional to 8,723.09, 12,033.62 and 5,183.79 is: 7,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.09 : 12,033.62 = 5,183.79 : x
  2. Step 2: Convert to fraction form
    8,723.09/12,033.62 = 5,183.79/x
  3. Step 3: Cross multiply
    8,723.09x = 12,033.62 × 5,183.79
  4. Step 4: Simplify right side
    8,723.09x = 62,379,733.10
  5. Step 5: Solve for x
    x = 62,379,733.10/8,723.09
  6. Step 6: Final answer
    x = 7,151.11

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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.