Home / 7,472.70-11,217.15-4,192.20

Finding the Fourth Proportional to 7,472.70, 11,217.15 and 4,192.20

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Solution

The fourth proportional to 7,472.70, 11,217.15 and 4,192.20 is: 6,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.70 : 11,217.15 = 4,192.20 : x
  2. Step 2: Convert to fraction form
    7,472.70/11,217.15 = 4,192.20/x
  3. Step 3: Cross multiply
    7,472.70x = 11,217.15 × 4,192.20
  4. Step 4: Simplify right side
    7,472.70x = 47,024,536.23
  5. Step 5: Solve for x
    x = 47,024,536.23/7,472.70
  6. Step 6: Final answer
    x = 6,292.84

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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.