Home / 11,282.14-16,939.14-7,108.62

Finding the Fourth Proportional to 11,282.14, 16,939.14 and 7,108.62

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Solution

The fourth proportional to 11,282.14, 16,939.14 and 7,108.62 is: 10,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.14 : 16,939.14 = 7,108.62 : x
  2. Step 2: Convert to fraction form
    11,282.14/16,939.14 = 7,108.62/x
  3. Step 3: Cross multiply
    11,282.14x = 16,939.14 × 7,108.62
  4. Step 4: Simplify right side
    11,282.14x = 120,413,909.39
  5. Step 5: Solve for x
    x = 120,413,909.39/11,282.14
  6. Step 6: Final answer
    x = 10,672.97

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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.