Home / 8,249.54-11,384.40-4,472.76

Finding the Fourth Proportional to 8,249.54, 11,384.40 and 4,472.76

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Solution

The fourth proportional to 8,249.54, 11,384.40 and 4,472.76 is: 6,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.54 : 11,384.40 = 4,472.76 : x
  2. Step 2: Convert to fraction form
    8,249.54/11,384.40 = 4,472.76/x
  3. Step 3: Cross multiply
    8,249.54x = 11,384.40 × 4,472.76
  4. Step 4: Simplify right side
    8,249.54x = 50,919,688.94
  5. Step 5: Solve for x
    x = 50,919,688.94/8,249.54
  6. Step 6: Final answer
    x = 6,172.43

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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.