Home / 10,341.20-15,512.11-3,772.31

Finding the Fourth Proportional to 10,341.20, 15,512.11 and 3,772.31

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Solution

The fourth proportional to 10,341.20, 15,512.11 and 3,772.31 is: 5,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.20 : 15,512.11 = 3,772.31 : x
  2. Step 2: Convert to fraction form
    10,341.20/15,512.11 = 3,772.31/x
  3. Step 3: Cross multiply
    10,341.20x = 15,512.11 × 3,772.31
  4. Step 4: Simplify right side
    10,341.20x = 58,516,400.68
  5. Step 5: Solve for x
    x = 58,516,400.68/10,341.20
  6. Step 6: Final answer
    x = 5,658.57

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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.