Home / 8,134.03-12,199.95-2,211.37

Finding the Fourth Proportional to 8,134.03, 12,199.95 and 2,211.37

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Solution

The fourth proportional to 8,134.03, 12,199.95 and 2,211.37 is: 3,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.03 : 12,199.95 = 2,211.37 : x
  2. Step 2: Convert to fraction form
    8,134.03/12,199.95 = 2,211.37/x
  3. Step 3: Cross multiply
    8,134.03x = 12,199.95 × 2,211.37
  4. Step 4: Simplify right side
    8,134.03x = 26,978,603.43
  5. Step 5: Solve for x
    x = 26,978,603.43/8,134.03
  6. Step 6: Final answer
    x = 3,316.76

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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.