Home / 11,948.38-17,929.49-4,927.09

Finding the Fourth Proportional to 11,948.38, 17,929.49 and 4,927.09

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Solution

The fourth proportional to 11,948.38, 17,929.49 and 4,927.09 is: 7,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.38 : 17,929.49 = 4,927.09 : x
  2. Step 2: Convert to fraction form
    11,948.38/17,929.49 = 4,927.09/x
  3. Step 3: Cross multiply
    11,948.38x = 17,929.49 × 4,927.09
  4. Step 4: Simplify right side
    11,948.38x = 88,340,096.60
  5. Step 5: Solve for x
    x = 88,340,096.60/11,948.38
  6. Step 6: Final answer
    x = 7,393.48

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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.