Home / 7,406.34-11,108.70-2,211

Finding the Fourth Proportional to 7,406.34, 11,108.70 and 2,211

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Solution

The fourth proportional to 7,406.34, 11,108.70 and 2,211 is: 3,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.34 : 11,108.70 = 2,211 : x
  2. Step 2: Convert to fraction form
    7,406.34/11,108.70 = 2,211/x
  3. Step 3: Cross multiply
    7,406.34x = 11,108.70 × 2,211
  4. Step 4: Simplify right side
    7,406.34x = 24,561,335.70
  5. Step 5: Solve for x
    x = 24,561,335.70/7,406.34
  6. Step 6: Final answer
    x = 3,316.26

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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.