Home / 8,076.88-11,147.14-4,540.77

Finding the Fourth Proportional to 8,076.88, 11,147.14 and 4,540.77

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Solution

The fourth proportional to 8,076.88, 11,147.14 and 4,540.77 is: 6,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.88 : 11,147.14 = 4,540.77 : x
  2. Step 2: Convert to fraction form
    8,076.88/11,147.14 = 4,540.77/x
  3. Step 3: Cross multiply
    8,076.88x = 11,147.14 × 4,540.77
  4. Step 4: Simplify right side
    8,076.88x = 50,616,587.55
  5. Step 5: Solve for x
    x = 50,616,587.55/8,076.88
  6. Step 6: Final answer
    x = 6,266.85

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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.