Home / 10,451.24-15,672.90-3,429.56

Finding the Fourth Proportional to 10,451.24, 15,672.90 and 3,429.56

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Solution

The fourth proportional to 10,451.24, 15,672.90 and 3,429.56 is: 5,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.24 : 15,672.90 = 3,429.56 : x
  2. Step 2: Convert to fraction form
    10,451.24/15,672.90 = 3,429.56/x
  3. Step 3: Cross multiply
    10,451.24x = 15,672.90 × 3,429.56
  4. Step 4: Simplify right side
    10,451.24x = 53,751,150.92
  5. Step 5: Solve for x
    x = 53,751,150.92/10,451.24
  6. Step 6: Final answer
    x = 5,143.04

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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.