Home / 11,777.46-17,665.56-3,011.82

Finding the Fourth Proportional to 11,777.46, 17,665.56 and 3,011.82

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Solution

The fourth proportional to 11,777.46, 17,665.56 and 3,011.82 is: 4,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.46 : 17,665.56 = 3,011.82 : x
  2. Step 2: Convert to fraction form
    11,777.46/17,665.56 = 3,011.82/x
  3. Step 3: Cross multiply
    11,777.46x = 17,665.56 × 3,011.82
  4. Step 4: Simplify right side
    11,777.46x = 53,205,486.92
  5. Step 5: Solve for x
    x = 53,205,486.92/11,777.46
  6. Step 6: Final answer
    x = 4,517.57

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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.