Home / 10,452.09-15,679.64-3,432.66

Finding the Fourth Proportional to 10,452.09, 15,679.64 and 3,432.66

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Solution

The fourth proportional to 10,452.09, 15,679.64 and 3,432.66 is: 5,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.09 : 15,679.64 = 3,432.66 : x
  2. Step 2: Convert to fraction form
    10,452.09/15,679.64 = 3,432.66/x
  3. Step 3: Cross multiply
    10,452.09x = 15,679.64 × 3,432.66
  4. Step 4: Simplify right side
    10,452.09x = 53,822,855.88
  5. Step 5: Solve for x
    x = 53,822,855.88/10,452.09
  6. Step 6: Final answer
    x = 5,149.48

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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.