Home / 12,497.06-18,739.38-3,729.62

Finding the Fourth Proportional to 12,497.06, 18,739.38 and 3,729.62

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Solution

The fourth proportional to 12,497.06, 18,739.38 and 3,729.62 is: 5,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.06 : 18,739.38 = 3,729.62 : x
  2. Step 2: Convert to fraction form
    12,497.06/18,739.38 = 3,729.62/x
  3. Step 3: Cross multiply
    12,497.06x = 18,739.38 × 3,729.62
  4. Step 4: Simplify right side
    12,497.06x = 69,890,766.44
  5. Step 5: Solve for x
    x = 69,890,766.44/12,497.06
  6. Step 6: Final answer
    x = 5,592.58

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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.