Home / 11,996.12-16,551.78-7,279.52

Finding the Fourth Proportional to 11,996.12, 16,551.78 and 7,279.52

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Solution

The fourth proportional to 11,996.12, 16,551.78 and 7,279.52 is: 10,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.12 : 16,551.78 = 7,279.52 : x
  2. Step 2: Convert to fraction form
    11,996.12/16,551.78 = 7,279.52/x
  3. Step 3: Cross multiply
    11,996.12x = 16,551.78 × 7,279.52
  4. Step 4: Simplify right side
    11,996.12x = 120,489,013.55
  5. Step 5: Solve for x
    x = 120,489,013.55/11,996.12
  6. Step 6: Final answer
    x = 10,044.00

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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.