Home / 9,996.42-13,794.99-5,520.14

Finding the Fourth Proportional to 9,996.42, 13,794.99 and 5,520.14

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Solution

The fourth proportional to 9,996.42, 13,794.99 and 5,520.14 is: 7,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.42 : 13,794.99 = 5,520.14 : x
  2. Step 2: Convert to fraction form
    9,996.42/13,794.99 = 5,520.14/x
  3. Step 3: Cross multiply
    9,996.42x = 13,794.99 × 5,520.14
  4. Step 4: Simplify right side
    9,996.42x = 76,150,207.12
  5. Step 5: Solve for x
    x = 76,150,207.12/9,996.42
  6. Step 6: Final answer
    x = 7,617.75

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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.