Home / 11,932.45-17,887.19-5,690.77

Finding the Fourth Proportional to 11,932.45, 17,887.19 and 5,690.77

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Solution

The fourth proportional to 11,932.45, 17,887.19 and 5,690.77 is: 8,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.45 : 17,887.19 = 5,690.77 : x
  2. Step 2: Convert to fraction form
    11,932.45/17,887.19 = 5,690.77/x
  3. Step 3: Cross multiply
    11,932.45x = 17,887.19 × 5,690.77
  4. Step 4: Simplify right side
    11,932.45x = 101,791,794.80
  5. Step 5: Solve for x
    x = 101,791,794.80/11,932.45
  6. Step 6: Final answer
    x = 8,530.67

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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.