Home / 11,186.52-16,783.56-7,029.60

Finding the Fourth Proportional to 11,186.52, 16,783.56 and 7,029.60

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Solution

The fourth proportional to 11,186.52, 16,783.56 and 7,029.60 is: 10,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.52 : 16,783.56 = 7,029.60 : x
  2. Step 2: Convert to fraction form
    11,186.52/16,783.56 = 7,029.60/x
  3. Step 3: Cross multiply
    11,186.52x = 16,783.56 × 7,029.60
  4. Step 4: Simplify right side
    11,186.52x = 117,981,713.38
  5. Step 5: Solve for x
    x = 117,981,713.38/11,186.52
  6. Step 6: Final answer
    x = 10,546.78

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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.