Home / 12,558.68-17,331.15-6,893.33

Finding the Fourth Proportional to 12,558.68, 17,331.15 and 6,893.33

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Solution

The fourth proportional to 12,558.68, 17,331.15 and 6,893.33 is: 9,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.68 : 17,331.15 = 6,893.33 : x
  2. Step 2: Convert to fraction form
    12,558.68/17,331.15 = 6,893.33/x
  3. Step 3: Cross multiply
    12,558.68x = 17,331.15 × 6,893.33
  4. Step 4: Simplify right side
    12,558.68x = 119,469,249.57
  5. Step 5: Solve for x
    x = 119,469,249.57/12,558.68
  6. Step 6: Final answer
    x = 9,512.89

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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.