Home / 11,879.09-16,393.66-6,573.56

Finding the Fourth Proportional to 11,879.09, 16,393.66 and 6,573.56

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Solution

The fourth proportional to 11,879.09, 16,393.66 and 6,573.56 is: 9,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.09 : 16,393.66 = 6,573.56 : x
  2. Step 2: Convert to fraction form
    11,879.09/16,393.66 = 6,573.56/x
  3. Step 3: Cross multiply
    11,879.09x = 16,393.66 × 6,573.56
  4. Step 4: Simplify right side
    11,879.09x = 107,764,609.23
  5. Step 5: Solve for x
    x = 107,764,609.23/11,879.09
  6. Step 6: Final answer
    x = 9,071.79

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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.