Home / 11,453.75-17,183.31-3,555.86

Finding the Fourth Proportional to 11,453.75, 17,183.31 and 3,555.86

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Solution

The fourth proportional to 11,453.75, 17,183.31 and 3,555.86 is: 5,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.75 : 17,183.31 = 3,555.86 : x
  2. Step 2: Convert to fraction form
    11,453.75/17,183.31 = 3,555.86/x
  3. Step 3: Cross multiply
    11,453.75x = 17,183.31 × 3,555.86
  4. Step 4: Simplify right side
    11,453.75x = 61,101,358.78
  5. Step 5: Solve for x
    x = 61,101,358.78/11,453.75
  6. Step 6: Final answer
    x = 5,334.62

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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.