Home / 10,974.07-16,459.38-3,578.49

Finding the Fourth Proportional to 10,974.07, 16,459.38 and 3,578.49

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Solution

The fourth proportional to 10,974.07, 16,459.38 and 3,578.49 is: 5,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.07 : 16,459.38 = 3,578.49 : x
  2. Step 2: Convert to fraction form
    10,974.07/16,459.38 = 3,578.49/x
  3. Step 3: Cross multiply
    10,974.07x = 16,459.38 × 3,578.49
  4. Step 4: Simplify right side
    10,974.07x = 58,899,726.74
  5. Step 5: Solve for x
    x = 58,899,726.74/10,974.07
  6. Step 6: Final answer
    x = 5,367.17

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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.