Home / 11,743.52-16,205.95-6,438.33

Finding the Fourth Proportional to 11,743.52, 16,205.95 and 6,438.33

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Solution

The fourth proportional to 11,743.52, 16,205.95 and 6,438.33 is: 8,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.52 : 16,205.95 = 6,438.33 : x
  2. Step 2: Convert to fraction form
    11,743.52/16,205.95 = 6,438.33/x
  3. Step 3: Cross multiply
    11,743.52x = 16,205.95 × 6,438.33
  4. Step 4: Simplify right side
    11,743.52x = 104,339,237.97
  5. Step 5: Solve for x
    x = 104,339,237.97/11,743.52
  6. Step 6: Final answer
    x = 8,884.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.