Home / 7,914.94-11,874.42-2,984.62

Finding the Fourth Proportional to 7,914.94, 11,874.42 and 2,984.62

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Solution

The fourth proportional to 7,914.94, 11,874.42 and 2,984.62 is: 4,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.94 : 11,874.42 = 2,984.62 : x
  2. Step 2: Convert to fraction form
    7,914.94/11,874.42 = 2,984.62/x
  3. Step 3: Cross multiply
    7,914.94x = 11,874.42 × 2,984.62
  4. Step 4: Simplify right side
    7,914.94x = 35,440,631.42
  5. Step 5: Solve for x
    x = 35,440,631.42/7,914.94
  6. Step 6: Final answer
    x = 4,477.69

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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.