Home / 10,372.75-15,559.13-3,447.25

Finding the Fourth Proportional to 10,372.75, 15,559.13 and 3,447.25

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Solution

The fourth proportional to 10,372.75, 15,559.13 and 3,447.25 is: 5,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.75 : 15,559.13 = 3,447.25 : x
  2. Step 2: Convert to fraction form
    10,372.75/15,559.13 = 3,447.25/x
  3. Step 3: Cross multiply
    10,372.75x = 15,559.13 × 3,447.25
  4. Step 4: Simplify right side
    10,372.75x = 53,636,210.89
  5. Step 5: Solve for x
    x = 53,636,210.89/10,372.75
  6. Step 6: Final answer
    x = 5,170.88

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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.