Home / 7,472.20-11,195.70-5,906.20

Finding the Fourth Proportional to 7,472.20, 11,195.70 and 5,906.20

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Solution

The fourth proportional to 7,472.20, 11,195.70 and 5,906.20 is: 8,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.20 : 11,195.70 = 5,906.20 : x
  2. Step 2: Convert to fraction form
    7,472.20/11,195.70 = 5,906.20/x
  3. Step 3: Cross multiply
    7,472.20x = 11,195.70 × 5,906.20
  4. Step 4: Simplify right side
    7,472.20x = 66,124,043.34
  5. Step 5: Solve for x
    x = 66,124,043.34/7,472.20
  6. Step 6: Final answer
    x = 8,849.34

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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.