Home / 11,141.75-16,712.63-2,822.42

Finding the Fourth Proportional to 11,141.75, 16,712.63 and 2,822.42

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Solution

The fourth proportional to 11,141.75, 16,712.63 and 2,822.42 is: 4,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.75 : 16,712.63 = 2,822.42 : x
  2. Step 2: Convert to fraction form
    11,141.75/16,712.63 = 2,822.42/x
  3. Step 3: Cross multiply
    11,141.75x = 16,712.63 × 2,822.42
  4. Step 4: Simplify right side
    11,141.75x = 47,169,971.33
  5. Step 5: Solve for x
    x = 47,169,971.33/11,141.75
  6. Step 6: Final answer
    x = 4,233.62

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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.