Home / 8,936.12-12,333.22-8,542.36

Finding the Fourth Proportional to 8,936.12, 12,333.22 and 8,542.36

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Solution

The fourth proportional to 8,936.12, 12,333.22 and 8,542.36 is: 11,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.12 : 12,333.22 = 8,542.36 : x
  2. Step 2: Convert to fraction form
    8,936.12/12,333.22 = 8,542.36/x
  3. Step 3: Cross multiply
    8,936.12x = 12,333.22 × 8,542.36
  4. Step 4: Simplify right side
    8,936.12x = 105,354,805.20
  5. Step 5: Solve for x
    x = 105,354,805.20/8,936.12
  6. Step 6: Final answer
    x = 11,789.77

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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.