Home / 13,251.06-18,286.92-7,282.98

Finding the Fourth Proportional to 13,251.06, 18,286.92 and 7,282.98

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Solution

The fourth proportional to 13,251.06, 18,286.92 and 7,282.98 is: 10,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.06 : 18,286.92 = 7,282.98 : x
  2. Step 2: Convert to fraction form
    13,251.06/18,286.92 = 7,282.98/x
  3. Step 3: Cross multiply
    13,251.06x = 18,286.92 × 7,282.98
  4. Step 4: Simplify right side
    13,251.06x = 133,183,272.62
  5. Step 5: Solve for x
    x = 133,183,272.62/13,251.06
  6. Step 6: Final answer
    x = 10,050.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.