Home / 10,433.35-15,650.65-3,414.09

Finding the Fourth Proportional to 10,433.35, 15,650.65 and 3,414.09

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Solution

The fourth proportional to 10,433.35, 15,650.65 and 3,414.09 is: 5,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.35 : 15,650.65 = 3,414.09 : x
  2. Step 2: Convert to fraction form
    10,433.35/15,650.65 = 3,414.09/x
  3. Step 3: Cross multiply
    10,433.35x = 15,650.65 × 3,414.09
  4. Step 4: Simplify right side
    10,433.35x = 53,432,790.62
  5. Step 5: Solve for x
    x = 53,432,790.62/10,433.35
  6. Step 6: Final answer
    x = 5,121.34

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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.