Home / 11,967.33-17,948.84-4,178.37

Finding the Fourth Proportional to 11,967.33, 17,948.84 and 4,178.37

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Solution

The fourth proportional to 11,967.33, 17,948.84 and 4,178.37 is: 6,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.33 : 17,948.84 = 4,178.37 : x
  2. Step 2: Convert to fraction form
    11,967.33/17,948.84 = 4,178.37/x
  3. Step 3: Cross multiply
    11,967.33x = 17,948.84 × 4,178.37
  4. Step 4: Simplify right side
    11,967.33x = 74,996,873.70
  5. Step 5: Solve for x
    x = 74,996,873.70/11,967.33
  6. Step 6: Final answer
    x = 6,266.80

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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.