Home / 11,431.83-17,153.27-4,039.77

Finding the Fourth Proportional to 11,431.83, 17,153.27 and 4,039.77

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Solution

The fourth proportional to 11,431.83, 17,153.27 and 4,039.77 is: 6,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.83 : 17,153.27 = 4,039.77 : x
  2. Step 2: Convert to fraction form
    11,431.83/17,153.27 = 4,039.77/x
  3. Step 3: Cross multiply
    11,431.83x = 17,153.27 × 4,039.77
  4. Step 4: Simplify right side
    11,431.83x = 69,295,324.82
  5. Step 5: Solve for x
    x = 69,295,324.82/11,431.83
  6. Step 6: Final answer
    x = 6,061.61

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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.