Home / 8,841.28-12,198.46-5,699.28

Finding the Fourth Proportional to 8,841.28, 12,198.46 and 5,699.28

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Solution

The fourth proportional to 8,841.28, 12,198.46 and 5,699.28 is: 7,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.28 : 12,198.46 = 5,699.28 : x
  2. Step 2: Convert to fraction form
    8,841.28/12,198.46 = 5,699.28/x
  3. Step 3: Cross multiply
    8,841.28x = 12,198.46 × 5,699.28
  4. Step 4: Simplify right side
    8,841.28x = 69,522,439.11
  5. Step 5: Solve for x
    x = 69,522,439.11/8,841.28
  6. Step 6: Final answer
    x = 7,863.39

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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.