Home / 7,467.21-11,198.35-3,307.12

Finding the Fourth Proportional to 7,467.21, 11,198.35 and 3,307.12

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Solution

The fourth proportional to 7,467.21, 11,198.35 and 3,307.12 is: 4,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.21 : 11,198.35 = 3,307.12 : x
  2. Step 2: Convert to fraction form
    7,467.21/11,198.35 = 3,307.12/x
  3. Step 3: Cross multiply
    7,467.21x = 11,198.35 × 3,307.12
  4. Step 4: Simplify right side
    7,467.21x = 37,034,287.25
  5. Step 5: Solve for x
    x = 37,034,287.25/7,467.21
  6. Step 6: Final answer
    x = 4,959.59

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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.