Home / 11,367.72-15,687.42-6,331.89

Finding the Fourth Proportional to 11,367.72, 15,687.42 and 6,331.89

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Solution

The fourth proportional to 11,367.72, 15,687.42 and 6,331.89 is: 8,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.72 : 15,687.42 = 6,331.89 : x
  2. Step 2: Convert to fraction form
    11,367.72/15,687.42 = 6,331.89/x
  3. Step 3: Cross multiply
    11,367.72x = 15,687.42 × 6,331.89
  4. Step 4: Simplify right side
    11,367.72x = 99,330,939.39
  5. Step 5: Solve for x
    x = 99,330,939.39/11,367.72
  6. Step 6: Final answer
    x = 8,737.99

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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.