Home / 11,850.81-17,760.78-4,822.62

Finding the Fourth Proportional to 11,850.81, 17,760.78 and 4,822.62

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Solution

The fourth proportional to 11,850.81, 17,760.78 and 4,822.62 is: 7,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.81 : 17,760.78 = 4,822.62 : x
  2. Step 2: Convert to fraction form
    11,850.81/17,760.78 = 4,822.62/x
  3. Step 3: Cross multiply
    11,850.81x = 17,760.78 × 4,822.62
  4. Step 4: Simplify right side
    11,850.81x = 85,653,492.84
  5. Step 5: Solve for x
    x = 85,653,492.84/11,850.81
  6. Step 6: Final answer
    x = 7,227.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.