Home / 8,115.07-11,198.94-4,760.31

Finding the Fourth Proportional to 8,115.07, 11,198.94 and 4,760.31

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Solution

The fourth proportional to 8,115.07, 11,198.94 and 4,760.31 is: 6,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.07 : 11,198.94 = 4,760.31 : x
  2. Step 2: Convert to fraction form
    8,115.07/11,198.94 = 4,760.31/x
  3. Step 3: Cross multiply
    8,115.07x = 11,198.94 × 4,760.31
  4. Step 4: Simplify right side
    8,115.07x = 53,310,426.07
  5. Step 5: Solve for x
    x = 53,310,426.07/8,115.07
  6. Step 6: Final answer
    x = 6,569.31

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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.