Home / 9,996.39-13,794.66-5,519.91

Finding the Fourth Proportional to 9,996.39, 13,794.66 and 5,519.91

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Solution

The fourth proportional to 9,996.39, 13,794.66 and 5,519.91 is: 7,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.39 : 13,794.66 = 5,519.91 : x
  2. Step 2: Convert to fraction form
    9,996.39/13,794.66 = 5,519.91/x
  3. Step 3: Cross multiply
    9,996.39x = 13,794.66 × 5,519.91
  4. Step 4: Simplify right side
    9,996.39x = 76,145,281.68
  5. Step 5: Solve for x
    x = 76,145,281.68/9,996.39
  6. Step 6: Final answer
    x = 7,617.28

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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.