Home / 11,122.38-16,684.38-4,548.69

Finding the Fourth Proportional to 11,122.38, 16,684.38 and 4,548.69

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Solution

The fourth proportional to 11,122.38, 16,684.38 and 4,548.69 is: 6,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.38 : 16,684.38 = 4,548.69 : x
  2. Step 2: Convert to fraction form
    11,122.38/16,684.38 = 4,548.69/x
  3. Step 3: Cross multiply
    11,122.38x = 16,684.38 × 4,548.69
  4. Step 4: Simplify right side
    11,122.38x = 75,892,072.46
  5. Step 5: Solve for x
    x = 75,892,072.46/11,122.38
  6. Step 6: Final answer
    x = 6,823.37

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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.