Home / 11,974.78-17,963.40-4,585.42

Finding the Fourth Proportional to 11,974.78, 17,963.40 and 4,585.42

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Solution

The fourth proportional to 11,974.78, 17,963.40 and 4,585.42 is: 6,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.78 : 17,963.40 = 4,585.42 : x
  2. Step 2: Convert to fraction form
    11,974.78/17,963.40 = 4,585.42/x
  3. Step 3: Cross multiply
    11,974.78x = 17,963.40 × 4,585.42
  4. Step 4: Simplify right side
    11,974.78x = 82,369,733.63
  5. Step 5: Solve for x
    x = 82,369,733.63/11,974.78
  6. Step 6: Final answer
    x = 6,878.60

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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.