Home / 8,076.48-11,147.56-4,935.30

Finding the Fourth Proportional to 8,076.48, 11,147.56 and 4,935.30

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Solution

The fourth proportional to 8,076.48, 11,147.56 and 4,935.30 is: 6,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.48 : 11,147.56 = 4,935.30 : x
  2. Step 2: Convert to fraction form
    8,076.48/11,147.56 = 4,935.30/x
  3. Step 3: Cross multiply
    8,076.48x = 11,147.56 × 4,935.30
  4. Step 4: Simplify right side
    8,076.48x = 55,016,552.87
  5. Step 5: Solve for x
    x = 55,016,552.87/8,076.48
  6. Step 6: Final answer
    x = 6,811.95

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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.