Home / 10,379.24-15,568.62-3,453.80

Finding the Fourth Proportional to 10,379.24, 15,568.62 and 3,453.80

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Solution

The fourth proportional to 10,379.24, 15,568.62 and 3,453.80 is: 5,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.24 : 15,568.62 = 3,453.80 : x
  2. Step 2: Convert to fraction form
    10,379.24/15,568.62 = 3,453.80/x
  3. Step 3: Cross multiply
    10,379.24x = 15,568.62 × 3,453.80
  4. Step 4: Simplify right side
    10,379.24x = 53,770,899.76
  5. Step 5: Solve for x
    x = 53,770,899.76/10,379.24
  6. Step 6: Final answer
    x = 5,180.62

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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.