Home / 11,325.15-16,981.02-3,425.27

Finding the Fourth Proportional to 11,325.15, 16,981.02 and 3,425.27

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Solution

The fourth proportional to 11,325.15, 16,981.02 and 3,425.27 is: 5,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.15 : 16,981.02 = 3,425.27 : x
  2. Step 2: Convert to fraction form
    11,325.15/16,981.02 = 3,425.27/x
  3. Step 3: Cross multiply
    11,325.15x = 16,981.02 × 3,425.27
  4. Step 4: Simplify right side
    11,325.15x = 58,164,493.47
  5. Step 5: Solve for x
    x = 58,164,493.47/11,325.15
  6. Step 6: Final answer
    x = 5,135.87

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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.