Home / 8,175.98-12,268.41-6,330.71

Finding the Fourth Proportional to 8,175.98, 12,268.41 and 6,330.71

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Solution

The fourth proportional to 8,175.98, 12,268.41 and 6,330.71 is: 9,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.98 : 12,268.41 = 6,330.71 : x
  2. Step 2: Convert to fraction form
    8,175.98/12,268.41 = 6,330.71/x
  3. Step 3: Cross multiply
    8,175.98x = 12,268.41 × 6,330.71
  4. Step 4: Simplify right side
    8,175.98x = 77,667,684.53
  5. Step 5: Solve for x
    x = 77,667,684.53/8,175.98
  6. Step 6: Final answer
    x = 9,499.49

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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.