Home / 8,239.88-11,371.07-4,463.09

Finding the Fourth Proportional to 8,239.88, 11,371.07 and 4,463.09

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Solution

The fourth proportional to 8,239.88, 11,371.07 and 4,463.09 is: 6,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.88 : 11,371.07 = 4,463.09 : x
  2. Step 2: Convert to fraction form
    8,239.88/11,371.07 = 4,463.09/x
  3. Step 3: Cross multiply
    8,239.88x = 11,371.07 × 4,463.09
  4. Step 4: Simplify right side
    8,239.88x = 50,750,086.49
  5. Step 5: Solve for x
    x = 50,750,086.49/8,239.88
  6. Step 6: Final answer
    x = 6,159.08

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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.