Home / 8,228.41-11,352.22-4,689.56

Finding the Fourth Proportional to 8,228.41, 11,352.22 and 4,689.56

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Solution

The fourth proportional to 8,228.41, 11,352.22 and 4,689.56 is: 6,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.41 : 11,352.22 = 4,689.56 : x
  2. Step 2: Convert to fraction form
    8,228.41/11,352.22 = 4,689.56/x
  3. Step 3: Cross multiply
    8,228.41x = 11,352.22 × 4,689.56
  4. Step 4: Simplify right side
    8,228.41x = 53,236,933.48
  5. Step 5: Solve for x
    x = 53,236,933.48/8,228.41
  6. Step 6: Final answer
    x = 6,469.90

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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.