Home / 11,208.38-15,469.04-7,241.03

Finding the Fourth Proportional to 11,208.38, 15,469.04 and 7,241.03

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Solution

The fourth proportional to 11,208.38, 15,469.04 and 7,241.03 is: 9,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.38 : 15,469.04 = 7,241.03 : x
  2. Step 2: Convert to fraction form
    11,208.38/15,469.04 = 7,241.03/x
  3. Step 3: Cross multiply
    11,208.38x = 15,469.04 × 7,241.03
  4. Step 4: Simplify right side
    11,208.38x = 112,011,781.48
  5. Step 5: Solve for x
    x = 112,011,781.48/11,208.38
  6. Step 6: Final answer
    x = 9,993.58

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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.