Home / 8,228.27-11,355.25-4,691.41

Finding the Fourth Proportional to 8,228.27, 11,355.25 and 4,691.41

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Solution

The fourth proportional to 8,228.27, 11,355.25 and 4,691.41 is: 6,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.27 : 11,355.25 = 4,691.41 : x
  2. Step 2: Convert to fraction form
    8,228.27/11,355.25 = 4,691.41/x
  3. Step 3: Cross multiply
    8,228.27x = 11,355.25 × 4,691.41
  4. Step 4: Simplify right side
    8,228.27x = 53,272,133.40
  5. Step 5: Solve for x
    x = 53,272,133.40/8,228.27
  6. Step 6: Final answer
    x = 6,474.28

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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.