Home / 11,172.09-16,758.53-5,622.41

Finding the Fourth Proportional to 11,172.09, 16,758.53 and 5,622.41

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Solution

The fourth proportional to 11,172.09, 16,758.53 and 5,622.41 is: 8,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.09 : 16,758.53 = 5,622.41 : x
  2. Step 2: Convert to fraction form
    11,172.09/16,758.53 = 5,622.41/x
  3. Step 3: Cross multiply
    11,172.09x = 16,758.53 × 5,622.41
  4. Step 4: Simplify right side
    11,172.09x = 94,223,326.66
  5. Step 5: Solve for x
    x = 94,223,326.66/11,172.09
  6. Step 6: Final answer
    x = 8,433.81

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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.