Home / 10,286.04-15,418.14-5,350.74

Finding the Fourth Proportional to 10,286.04, 15,418.14 and 5,350.74

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Solution

The fourth proportional to 10,286.04, 15,418.14 and 5,350.74 is: 8,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.04 : 15,418.14 = 5,350.74 : x
  2. Step 2: Convert to fraction form
    10,286.04/15,418.14 = 5,350.74/x
  3. Step 3: Cross multiply
    10,286.04x = 15,418.14 × 5,350.74
  4. Step 4: Simplify right side
    10,286.04x = 82,498,458.42
  5. Step 5: Solve for x
    x = 82,498,458.42/10,286.04
  6. Step 6: Final answer
    x = 8,020.43

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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.