Home / 7,401.92-11,102.88-2,207.39

Finding the Fourth Proportional to 7,401.92, 11,102.88 and 2,207.39

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Solution

The fourth proportional to 7,401.92, 11,102.88 and 2,207.39 is: 3,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.92 : 11,102.88 = 2,207.39 : x
  2. Step 2: Convert to fraction form
    7,401.92/11,102.88 = 2,207.39/x
  3. Step 3: Cross multiply
    7,401.92x = 11,102.88 × 2,207.39
  4. Step 4: Simplify right side
    7,401.92x = 24,508,386.28
  5. Step 5: Solve for x
    x = 24,508,386.28/7,401.92
  6. Step 6: Final answer
    x = 3,311.09

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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.