Home / 10,092.55-15,138.87-3,518.73

Finding the Fourth Proportional to 10,092.55, 15,138.87 and 3,518.73

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Solution

The fourth proportional to 10,092.55, 15,138.87 and 3,518.73 is: 5,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.55 : 15,138.87 = 3,518.73 : x
  2. Step 2: Convert to fraction form
    10,092.55/15,138.87 = 3,518.73/x
  3. Step 3: Cross multiply
    10,092.55x = 15,138.87 × 3,518.73
  4. Step 4: Simplify right side
    10,092.55x = 53,269,596.04
  5. Step 5: Solve for x
    x = 53,269,596.04/10,092.55
  6. Step 6: Final answer
    x = 5,278.11

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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.