Home / 11,157.78-16,736.10-3,762.52

Finding the Fourth Proportional to 11,157.78, 16,736.10 and 3,762.52

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Solution

The fourth proportional to 11,157.78, 16,736.10 and 3,762.52 is: 5,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.78 : 16,736.10 = 3,762.52 : x
  2. Step 2: Convert to fraction form
    11,157.78/16,736.10 = 3,762.52/x
  3. Step 3: Cross multiply
    11,157.78x = 16,736.10 × 3,762.52
  4. Step 4: Simplify right side
    11,157.78x = 62,969,910.97
  5. Step 5: Solve for x
    x = 62,969,910.97/11,157.78
  6. Step 6: Final answer
    x = 5,643.59

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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.