Home / 11,925.78-17,882.97-4,424.19

Finding the Fourth Proportional to 11,925.78, 17,882.97 and 4,424.19

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Solution

The fourth proportional to 11,925.78, 17,882.97 and 4,424.19 is: 6,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.78 : 17,882.97 = 4,424.19 : x
  2. Step 2: Convert to fraction form
    11,925.78/17,882.97 = 4,424.19/x
  3. Step 3: Cross multiply
    11,925.78x = 17,882.97 × 4,424.19
  4. Step 4: Simplify right side
    11,925.78x = 79,117,657.04
  5. Step 5: Solve for x
    x = 79,117,657.04/11,925.78
  6. Step 6: Final answer
    x = 6,634.17

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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.