Home / 11,325.54-16,981.66-3,425.68

Finding the Fourth Proportional to 11,325.54, 16,981.66 and 3,425.68

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Solution

The fourth proportional to 11,325.54, 16,981.66 and 3,425.68 is: 5,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.54 : 16,981.66 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    11,325.54/16,981.66 = 3,425.68/x
  3. Step 3: Cross multiply
    11,325.54x = 16,981.66 × 3,425.68
  4. Step 4: Simplify right side
    11,325.54x = 58,173,733.03
  5. Step 5: Solve for x
    x = 58,173,733.03/11,325.54
  6. Step 6: Final answer
    x = 5,136.51

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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.