Home / 11,732.08-16,189.68-6,425.88

Finding the Fourth Proportional to 11,732.08, 16,189.68 and 6,425.88

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Solution

The fourth proportional to 11,732.08, 16,189.68 and 6,425.88 is: 8,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.08 : 16,189.68 = 6,425.88 : x
  2. Step 2: Convert to fraction form
    11,732.08/16,189.68 = 6,425.88/x
  3. Step 3: Cross multiply
    11,732.08x = 16,189.68 × 6,425.88
  4. Step 4: Simplify right side
    11,732.08x = 104,032,940.92
  5. Step 5: Solve for x
    x = 104,032,940.92/11,732.08
  6. Step 6: Final answer
    x = 8,867.39

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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.