Home / 10,310.74-15,458.55-3,286.71

Finding the Fourth Proportional to 10,310.74, 15,458.55 and 3,286.71

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Solution

The fourth proportional to 10,310.74, 15,458.55 and 3,286.71 is: 4,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.74 : 15,458.55 = 3,286.71 : x
  2. Step 2: Convert to fraction form
    10,310.74/15,458.55 = 3,286.71/x
  3. Step 3: Cross multiply
    10,310.74x = 15,458.55 × 3,286.71
  4. Step 4: Simplify right side
    10,310.74x = 50,807,770.87
  5. Step 5: Solve for x
    x = 50,807,770.87/10,310.74
  6. Step 6: Final answer
    x = 4,927.66

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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.