Home / 11,722.29-17,571.13-4,322.03

Finding the Fourth Proportional to 11,722.29, 17,571.13 and 4,322.03

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Solution

The fourth proportional to 11,722.29, 17,571.13 and 4,322.03 is: 6,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.29 : 17,571.13 = 4,322.03 : x
  2. Step 2: Convert to fraction form
    11,722.29/17,571.13 = 4,322.03/x
  3. Step 3: Cross multiply
    11,722.29x = 17,571.13 × 4,322.03
  4. Step 4: Simplify right side
    11,722.29x = 75,942,852.33
  5. Step 5: Solve for x
    x = 75,942,852.33/11,722.29
  6. Step 6: Final answer
    x = 6,478.50

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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.