Home / 11,570.41-17,351.43-4,172.88

Finding the Fourth Proportional to 11,570.41, 17,351.43 and 4,172.88

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Solution

The fourth proportional to 11,570.41, 17,351.43 and 4,172.88 is: 6,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.41 : 17,351.43 = 4,172.88 : x
  2. Step 2: Convert to fraction form
    11,570.41/17,351.43 = 4,172.88/x
  3. Step 3: Cross multiply
    11,570.41x = 17,351.43 × 4,172.88
  4. Step 4: Simplify right side
    11,570.41x = 72,405,435.22
  5. Step 5: Solve for x
    x = 72,405,435.22/11,570.41
  6. Step 6: Final answer
    x = 6,257.81

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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.