Home / 8,249.59-11,384.31-4,472.69

Finding the Fourth Proportional to 8,249.59, 11,384.31 and 4,472.69

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Solution

The fourth proportional to 8,249.59, 11,384.31 and 4,472.69 is: 6,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.59 : 11,384.31 = 4,472.69 : x
  2. Step 2: Convert to fraction form
    8,249.59/11,384.31 = 4,472.69/x
  3. Step 3: Cross multiply
    8,249.59x = 11,384.31 × 4,472.69
  4. Step 4: Simplify right side
    8,249.59x = 50,918,489.49
  5. Step 5: Solve for x
    x = 50,918,489.49/8,249.59
  6. Step 6: Final answer
    x = 6,172.24

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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.