Home / 7,381.55-11,072.34-2,997.99

Finding the Fourth Proportional to 7,381.55, 11,072.34 and 2,997.99

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Solution

The fourth proportional to 7,381.55, 11,072.34 and 2,997.99 is: 4,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.55 : 11,072.34 = 2,997.99 : x
  2. Step 2: Convert to fraction form
    7,381.55/11,072.34 = 2,997.99/x
  3. Step 3: Cross multiply
    7,381.55x = 11,072.34 × 2,997.99
  4. Step 4: Simplify right side
    7,381.55x = 33,194,764.60
  5. Step 5: Solve for x
    x = 33,194,764.60/7,381.55
  6. Step 6: Final answer
    x = 4,496.99

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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.