Home / 11,731.03-17,584.24-5,485.78

Finding the Fourth Proportional to 11,731.03, 17,584.24 and 5,485.78

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Solution

The fourth proportional to 11,731.03, 17,584.24 and 5,485.78 is: 8,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.03 : 17,584.24 = 5,485.78 : x
  2. Step 2: Convert to fraction form
    11,731.03/17,584.24 = 5,485.78/x
  3. Step 3: Cross multiply
    11,731.03x = 17,584.24 × 5,485.78
  4. Step 4: Simplify right side
    11,731.03x = 96,463,184.19
  5. Step 5: Solve for x
    x = 96,463,184.19/11,731.03
  6. Step 6: Final answer
    x = 8,222.91

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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.