Home / 11,168.19-16,759.31-6,485.31

Finding the Fourth Proportional to 11,168.19, 16,759.31 and 6,485.31

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Solution

The fourth proportional to 11,168.19, 16,759.31 and 6,485.31 is: 9,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.19 : 16,759.31 = 6,485.31 : x
  2. Step 2: Convert to fraction form
    11,168.19/16,759.31 = 6,485.31/x
  3. Step 3: Cross multiply
    11,168.19x = 16,759.31 × 6,485.31
  4. Step 4: Simplify right side
    11,168.19x = 108,689,288.31
  5. Step 5: Solve for x
    x = 108,689,288.31/11,168.19
  6. Step 6: Final answer
    x = 9,732.04

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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.