Home / 7,845.62-11,767.40-3,462.05

Finding the Fourth Proportional to 7,845.62, 11,767.40 and 3,462.05

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Solution

The fourth proportional to 7,845.62, 11,767.40 and 3,462.05 is: 5,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.62 : 11,767.40 = 3,462.05 : x
  2. Step 2: Convert to fraction form
    7,845.62/11,767.40 = 3,462.05/x
  3. Step 3: Cross multiply
    7,845.62x = 11,767.40 × 3,462.05
  4. Step 4: Simplify right side
    7,845.62x = 40,739,335.83
  5. Step 5: Solve for x
    x = 40,739,335.83/7,845.62
  6. Step 6: Final answer
    x = 5,192.62

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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.