Home / 8,249.41-11,383.90-4,712.55

Finding the Fourth Proportional to 8,249.41, 11,383.90 and 4,712.55

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Solution

The fourth proportional to 8,249.41, 11,383.90 and 4,712.55 is: 6,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.41 : 11,383.90 = 4,712.55 : x
  2. Step 2: Convert to fraction form
    8,249.41/11,383.90 = 4,712.55/x
  3. Step 3: Cross multiply
    8,249.41x = 11,383.90 × 4,712.55
  4. Step 4: Simplify right side
    8,249.41x = 53,647,197.95
  5. Step 5: Solve for x
    x = 53,647,197.95/8,249.41
  6. Step 6: Final answer
    x = 6,503.16

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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.