Home / 10,503.42-15,754.21-3,481.12

Finding the Fourth Proportional to 10,503.42, 15,754.21 and 3,481.12

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Solution

The fourth proportional to 10,503.42, 15,754.21 and 3,481.12 is: 5,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.42 : 15,754.21 = 3,481.12 : x
  2. Step 2: Convert to fraction form
    10,503.42/15,754.21 = 3,481.12/x
  3. Step 3: Cross multiply
    10,503.42x = 15,754.21 × 3,481.12
  4. Step 4: Simplify right side
    10,503.42x = 54,842,295.52
  5. Step 5: Solve for x
    x = 54,842,295.52/10,503.42
  6. Step 6: Final answer
    x = 5,221.38

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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.