Home / 11,982.63-17,961.62-4,585.08

Finding the Fourth Proportional to 11,982.63, 17,961.62 and 4,585.08

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Solution

The fourth proportional to 11,982.63, 17,961.62 and 4,585.08 is: 6,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.63 : 17,961.62 = 4,585.08 : x
  2. Step 2: Convert to fraction form
    11,982.63/17,961.62 = 4,585.08/x
  3. Step 3: Cross multiply
    11,982.63x = 17,961.62 × 4,585.08
  4. Step 4: Simplify right side
    11,982.63x = 82,355,441.70
  5. Step 5: Solve for x
    x = 82,355,441.70/11,982.63
  6. Step 6: Final answer
    x = 6,872.90

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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.