Home / 8,175.48-11,272.86-6,715.92

Finding the Fourth Proportional to 8,175.48, 11,272.86 and 6,715.92

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Solution

The fourth proportional to 8,175.48, 11,272.86 and 6,715.92 is: 9,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.48 : 11,272.86 = 6,715.92 : x
  2. Step 2: Convert to fraction form
    8,175.48/11,272.86 = 6,715.92/x
  3. Step 3: Cross multiply
    8,175.48x = 11,272.86 × 6,715.92
  4. Step 4: Simplify right side
    8,175.48x = 75,707,625.93
  5. Step 5: Solve for x
    x = 75,707,625.93/8,175.48
  6. Step 6: Final answer
    x = 9,260.33

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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.