Home / 6,693.82-9,229.26-5,431.30

Finding the Fourth Proportional to 6,693.82, 9,229.26 and 5,431.30

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Solution

The fourth proportional to 6,693.82, 9,229.26 and 5,431.30 is: 7,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.82 : 9,229.26 = 5,431.30 : x
  2. Step 2: Convert to fraction form
    6,693.82/9,229.26 = 5,431.30/x
  3. Step 3: Cross multiply
    6,693.82x = 9,229.26 × 5,431.30
  4. Step 4: Simplify right side
    6,693.82x = 50,126,879.84
  5. Step 5: Solve for x
    x = 50,126,879.84/6,693.82
  6. Step 6: Final answer
    x = 7,488.53

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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.