Home / 7,578.97-11,369.99-3,196.44

Finding the Fourth Proportional to 7,578.97, 11,369.99 and 3,196.44

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Solution

The fourth proportional to 7,578.97, 11,369.99 and 3,196.44 is: 4,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.97 : 11,369.99 = 3,196.44 : x
  2. Step 2: Convert to fraction form
    7,578.97/11,369.99 = 3,196.44/x
  3. Step 3: Cross multiply
    7,578.97x = 11,369.99 × 3,196.44
  4. Step 4: Simplify right side
    7,578.97x = 36,343,498.83
  5. Step 5: Solve for x
    x = 36,343,498.83/7,578.97
  6. Step 6: Final answer
    x = 4,795.31

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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.