Home / 7,274.96-10,912.44-2,663.12

Finding the Fourth Proportional to 7,274.96, 10,912.44 and 2,663.12

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Solution

The fourth proportional to 7,274.96, 10,912.44 and 2,663.12 is: 3,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.96 : 10,912.44 = 2,663.12 : x
  2. Step 2: Convert to fraction form
    7,274.96/10,912.44 = 2,663.12/x
  3. Step 3: Cross multiply
    7,274.96x = 10,912.44 × 2,663.12
  4. Step 4: Simplify right side
    7,274.96x = 29,061,137.21
  5. Step 5: Solve for x
    x = 29,061,137.21/7,274.96
  6. Step 6: Final answer
    x = 3,994.68

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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.