Home / 7,863.21-11,794.77-2,019.83

Finding the Fourth Proportional to 7,863.21, 11,794.77 and 2,019.83

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Solution

The fourth proportional to 7,863.21, 11,794.77 and 2,019.83 is: 3,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.21 : 11,794.77 = 2,019.83 : x
  2. Step 2: Convert to fraction form
    7,863.21/11,794.77 = 2,019.83/x
  3. Step 3: Cross multiply
    7,863.21x = 11,794.77 × 2,019.83
  4. Step 4: Simplify right side
    7,863.21x = 23,823,371.32
  5. Step 5: Solve for x
    x = 23,823,371.32/7,863.21
  6. Step 6: Final answer
    x = 3,029.73

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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.