Home / 8,198.15-11,310.23-5,048.87

Finding the Fourth Proportional to 8,198.15, 11,310.23 and 5,048.87

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Solution

The fourth proportional to 8,198.15, 11,310.23 and 5,048.87 is: 6,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.15 : 11,310.23 = 5,048.87 : x
  2. Step 2: Convert to fraction form
    8,198.15/11,310.23 = 5,048.87/x
  3. Step 3: Cross multiply
    8,198.15x = 11,310.23 × 5,048.87
  4. Step 4: Simplify right side
    8,198.15x = 57,103,837.01
  5. Step 5: Solve for x
    x = 57,103,837.01/8,198.15
  6. Step 6: Final answer
    x = 6,965.46

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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.