Home / 11,291.66-15,581.71-6,255.41

Finding the Fourth Proportional to 11,291.66, 15,581.71 and 6,255.41

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Solution

The fourth proportional to 11,291.66, 15,581.71 and 6,255.41 is: 8,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.66 : 15,581.71 = 6,255.41 : x
  2. Step 2: Convert to fraction form
    11,291.66/15,581.71 = 6,255.41/x
  3. Step 3: Cross multiply
    11,291.66x = 15,581.71 × 6,255.41
  4. Step 4: Simplify right side
    11,291.66x = 97,469,984.55
  5. Step 5: Solve for x
    x = 97,469,984.55/11,291.66
  6. Step 6: Final answer
    x = 8,632.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.