Home / 6,467.10-9,681.51-3,993.97

Finding the Fourth Proportional to 6,467.10, 9,681.51 and 3,993.97

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Solution

The fourth proportional to 6,467.10, 9,681.51 and 3,993.97 is: 5,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.10 : 9,681.51 = 3,993.97 : x
  2. Step 2: Convert to fraction form
    6,467.10/9,681.51 = 3,993.97/x
  3. Step 3: Cross multiply
    6,467.10x = 9,681.51 × 3,993.97
  4. Step 4: Simplify right side
    6,467.10x = 38,667,660.49
  5. Step 5: Solve for x
    x = 38,667,660.49/6,467.10
  6. Step 6: Final answer
    x = 5,979.13

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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.