Home / 8,789.74-13,183.19-3,245.69

Finding the Fourth Proportional to 8,789.74, 13,183.19 and 3,245.69

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Solution

The fourth proportional to 8,789.74, 13,183.19 and 3,245.69 is: 4,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.74 : 13,183.19 = 3,245.69 : x
  2. Step 2: Convert to fraction form
    8,789.74/13,183.19 = 3,245.69/x
  3. Step 3: Cross multiply
    8,789.74x = 13,183.19 × 3,245.69
  4. Step 4: Simplify right side
    8,789.74x = 42,788,564.68
  5. Step 5: Solve for x
    x = 42,788,564.68/8,789.74
  6. Step 6: Final answer
    x = 4,868.01

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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.