Home / 6,699.72-9,249.96-4,185.48

Finding the Fourth Proportional to 6,699.72, 9,249.96 and 4,185.48

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Solution

The fourth proportional to 6,699.72, 9,249.96 and 4,185.48 is: 5,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.72 : 9,249.96 = 4,185.48 : x
  2. Step 2: Convert to fraction form
    6,699.72/9,249.96 = 4,185.48/x
  3. Step 3: Cross multiply
    6,699.72x = 9,249.96 × 4,185.48
  4. Step 4: Simplify right side
    6,699.72x = 38,715,522.58
  5. Step 5: Solve for x
    x = 38,715,522.58/6,699.72
  6. Step 6: Final answer
    x = 5,778.68

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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.