Home / 7,213.13-10,800.15-3,743.09

Finding the Fourth Proportional to 7,213.13, 10,800.15 and 3,743.09

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Solution

The fourth proportional to 7,213.13, 10,800.15 and 3,743.09 is: 5,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.13 : 10,800.15 = 3,743.09 : x
  2. Step 2: Convert to fraction form
    7,213.13/10,800.15 = 3,743.09/x
  3. Step 3: Cross multiply
    7,213.13x = 10,800.15 × 3,743.09
  4. Step 4: Simplify right side
    7,213.13x = 40,425,987.73
  5. Step 5: Solve for x
    x = 40,425,987.73/7,213.13
  6. Step 6: Final answer
    x = 5,604.50

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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.