Home / 11,962.38-17,959.77-8,255.46

Finding the Fourth Proportional to 11,962.38, 17,959.77 and 8,255.46

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Solution

The fourth proportional to 11,962.38, 17,959.77 and 8,255.46 is: 12,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.38 : 17,959.77 = 8,255.46 : x
  2. Step 2: Convert to fraction form
    11,962.38/17,959.77 = 8,255.46/x
  3. Step 3: Cross multiply
    11,962.38x = 17,959.77 × 8,255.46
  4. Step 4: Simplify right side
    11,962.38x = 148,266,162.84
  5. Step 5: Solve for x
    x = 148,266,162.84/11,962.38
  6. Step 6: Final answer
    x = 12,394.37

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1.5x scale

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.