Home / 11,403.50-15,736.30-6,366.73

Finding the Fourth Proportional to 11,403.50, 15,736.30 and 6,366.73

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Solution

The fourth proportional to 11,403.50, 15,736.30 and 6,366.73 is: 8,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.50 : 15,736.30 = 6,366.73 : x
  2. Step 2: Convert to fraction form
    11,403.50/15,736.30 = 6,366.73/x
  3. Step 3: Cross multiply
    11,403.50x = 15,736.30 × 6,366.73
  4. Step 4: Simplify right side
    11,403.50x = 100,188,721.20
  5. Step 5: Solve for x
    x = 100,188,721.20/11,403.50
  6. Step 6: Final answer
    x = 8,785.79

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1.5x scale

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.