Home / 37,997.20-56,990.40-11,704.60

Finding the Fourth Proportional to 37,997.20, 56,990.40 and 11,704.60

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Solution

The fourth proportional to 37,997.20, 56,990.40 and 11,704.60 is: 17,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,997.20 : 56,990.40 = 11,704.60 : x
  2. Step 2: Convert to fraction form
    37,997.20/56,990.40 = 11,704.60/x
  3. Step 3: Cross multiply
    37,997.20x = 56,990.40 × 11,704.60
  4. Step 4: Simplify right side
    37,997.20x = 667,049,835.84
  5. Step 5: Solve for x
    x = 667,049,835.84/37,997.20
  6. Step 6: Final answer
    x = 17,555.24

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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.