Home / 11,900.27-17,848.99-3,135.87

Finding the Fourth Proportional to 11,900.27, 17,848.99 and 3,135.87

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Solution

The fourth proportional to 11,900.27, 17,848.99 and 3,135.87 is: 4,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.27 : 17,848.99 = 3,135.87 : x
  2. Step 2: Convert to fraction form
    11,900.27/17,848.99 = 3,135.87/x
  3. Step 3: Cross multiply
    11,900.27x = 17,848.99 × 3,135.87
  4. Step 4: Simplify right side
    11,900.27x = 55,972,112.27
  5. Step 5: Solve for x
    x = 55,972,112.27/11,900.27
  6. Step 6: Final answer
    x = 4,703.43

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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.