Home / 7,226.72-10,845-3,331.16

Finding the Fourth Proportional to 7,226.72, 10,845 and 3,331.16

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Solution

The fourth proportional to 7,226.72, 10,845 and 3,331.16 is: 4,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.72 : 10,845 = 3,331.16 : x
  2. Step 2: Convert to fraction form
    7,226.72/10,845 = 3,331.16/x
  3. Step 3: Cross multiply
    7,226.72x = 10,845 × 3,331.16
  4. Step 4: Simplify right side
    7,226.72x = 36,126,375.98
  5. Step 5: Solve for x
    x = 36,126,375.98/7,226.72
  6. Step 6: Final answer
    x = 4,999.00

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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.