Home / 11,217.81-16,837.13-5,675.07

Finding the Fourth Proportional to 11,217.81, 16,837.13 and 5,675.07

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Solution

The fourth proportional to 11,217.81, 16,837.13 and 5,675.07 is: 8,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.81 : 16,837.13 = 5,675.07 : x
  2. Step 2: Convert to fraction form
    11,217.81/16,837.13 = 5,675.07/x
  3. Step 3: Cross multiply
    11,217.81x = 16,837.13 × 5,675.07
  4. Step 4: Simplify right side
    11,217.81x = 95,551,891.35
  5. Step 5: Solve for x
    x = 95,551,891.35/11,217.81
  6. Step 6: Final answer
    x = 8,517.87

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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.