Home / 7,984.46-11,977.90-2,362.65

Finding the Fourth Proportional to 7,984.46, 11,977.90 and 2,362.65

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Solution

The fourth proportional to 7,984.46, 11,977.90 and 2,362.65 is: 3,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.46 : 11,977.90 = 2,362.65 : x
  2. Step 2: Convert to fraction form
    7,984.46/11,977.90 = 2,362.65/x
  3. Step 3: Cross multiply
    7,984.46x = 11,977.90 × 2,362.65
  4. Step 4: Simplify right side
    7,984.46x = 28,299,579.53
  5. Step 5: Solve for x
    x = 28,299,579.53/7,984.46
  6. Step 6: Final answer
    x = 3,544.33

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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.