Home / 11,133.91-16,702.68-5,288.54

Finding the Fourth Proportional to 11,133.91, 16,702.68 and 5,288.54

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Solution

The fourth proportional to 11,133.91, 16,702.68 and 5,288.54 is: 7,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.91 : 16,702.68 = 5,288.54 : x
  2. Step 2: Convert to fraction form
    11,133.91/16,702.68 = 5,288.54/x
  3. Step 3: Cross multiply
    11,133.91x = 16,702.68 × 5,288.54
  4. Step 4: Simplify right side
    11,133.91x = 88,332,791.29
  5. Step 5: Solve for x
    x = 88,332,791.29/11,133.91
  6. Step 6: Final answer
    x = 7,933.67

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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.