Home / 7,467.49-11,202.45-2,789.13

Finding the Fourth Proportional to 7,467.49, 11,202.45 and 2,789.13

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Solution

The fourth proportional to 7,467.49, 11,202.45 and 2,789.13 is: 4,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.49 : 11,202.45 = 2,789.13 : x
  2. Step 2: Convert to fraction form
    7,467.49/11,202.45 = 2,789.13/x
  3. Step 3: Cross multiply
    7,467.49x = 11,202.45 × 2,789.13
  4. Step 4: Simplify right side
    7,467.49x = 31,245,136.61
  5. Step 5: Solve for x
    x = 31,245,136.61/7,467.49
  6. Step 6: Final answer
    x = 4,184.15

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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.