Home / 8,056.78-11,118.45-4,471.79

Finding the Fourth Proportional to 8,056.78, 11,118.45 and 4,471.79

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Solution

The fourth proportional to 8,056.78, 11,118.45 and 4,471.79 is: 6,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.78 : 11,118.45 = 4,471.79 : x
  2. Step 2: Convert to fraction form
    8,056.78/11,118.45 = 4,471.79/x
  3. Step 3: Cross multiply
    8,056.78x = 11,118.45 × 4,471.79
  4. Step 4: Simplify right side
    8,056.78x = 49,719,351.17
  5. Step 5: Solve for x
    x = 49,719,351.17/8,056.78
  6. Step 6: Final answer
    x = 6,171.12

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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.