Home / 11,731.86-17,600.58-3,941.28

Finding the Fourth Proportional to 11,731.86, 17,600.58 and 3,941.28

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Solution

The fourth proportional to 11,731.86, 17,600.58 and 3,941.28 is: 5,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.86 : 17,600.58 = 3,941.28 : x
  2. Step 2: Convert to fraction form
    11,731.86/17,600.58 = 3,941.28/x
  3. Step 3: Cross multiply
    11,731.86x = 17,600.58 × 3,941.28
  4. Step 4: Simplify right side
    11,731.86x = 69,368,813.94
  5. Step 5: Solve for x
    x = 69,368,813.94/11,731.86
  6. Step 6: Final answer
    x = 5,912.86

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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.