Home / 7,867.05-11,806.04-5,086.83

Finding the Fourth Proportional to 7,867.05, 11,806.04 and 5,086.83

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Solution

The fourth proportional to 7,867.05, 11,806.04 and 5,086.83 is: 7,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.05 : 11,806.04 = 5,086.83 : x
  2. Step 2: Convert to fraction form
    7,867.05/11,806.04 = 5,086.83/x
  3. Step 3: Cross multiply
    7,867.05x = 11,806.04 × 5,086.83
  4. Step 4: Simplify right side
    7,867.05x = 60,055,318.45
  5. Step 5: Solve for x
    x = 60,055,318.45/7,867.05
  6. Step 6: Final answer
    x = 7,633.78

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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.