Home / 11,129.50-16,694.25-3,338.31

Finding the Fourth Proportional to 11,129.50, 16,694.25 and 3,338.31

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Solution

The fourth proportional to 11,129.50, 16,694.25 and 3,338.31 is: 5,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.50 : 16,694.25 = 3,338.31 : x
  2. Step 2: Convert to fraction form
    11,129.50/16,694.25 = 3,338.31/x
  3. Step 3: Cross multiply
    11,129.50x = 16,694.25 × 3,338.31
  4. Step 4: Simplify right side
    11,129.50x = 55,730,581.72
  5. Step 5: Solve for x
    x = 55,730,581.72/11,129.50
  6. Step 6: Final answer
    x = 5,007.47

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1.5x scale

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.