Home / 11,664.66-17,507.10-6,121.92

Finding the Fourth Proportional to 11,664.66, 17,507.10 and 6,121.92

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Solution

The fourth proportional to 11,664.66, 17,507.10 and 6,121.92 is: 9,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.66 : 17,507.10 = 6,121.92 : x
  2. Step 2: Convert to fraction form
    11,664.66/17,507.10 = 6,121.92/x
  3. Step 3: Cross multiply
    11,664.66x = 17,507.10 × 6,121.92
  4. Step 4: Simplify right side
    11,664.66x = 107,177,065.63
  5. Step 5: Solve for x
    x = 107,177,065.63/11,664.66
  6. Step 6: Final answer
    x = 9,188.19

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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.