Home / 11,980.24-17,972.62-4,584.08

Finding the Fourth Proportional to 11,980.24, 17,972.62 and 4,584.08

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Solution

The fourth proportional to 11,980.24, 17,972.62 and 4,584.08 is: 6,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.24 : 17,972.62 = 4,584.08 : x
  2. Step 2: Convert to fraction form
    11,980.24/17,972.62 = 4,584.08/x
  3. Step 3: Cross multiply
    11,980.24x = 17,972.62 × 4,584.08
  4. Step 4: Simplify right side
    11,980.24x = 82,387,927.89
  5. Step 5: Solve for x
    x = 82,387,927.89/11,980.24
  6. Step 6: Final answer
    x = 6,876.98

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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.