Home / 11,174.56-15,424.36-7,195.64

Finding the Fourth Proportional to 11,174.56, 15,424.36 and 7,195.64

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Solution

The fourth proportional to 11,174.56, 15,424.36 and 7,195.64 is: 9,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.56 : 15,424.36 = 7,195.64 : x
  2. Step 2: Convert to fraction form
    11,174.56/15,424.36 = 7,195.64/x
  3. Step 3: Cross multiply
    11,174.56x = 15,424.36 × 7,195.64
  4. Step 4: Simplify right side
    11,174.56x = 110,988,046.68
  5. Step 5: Solve for x
    x = 110,988,046.68/11,174.56
  6. Step 6: Final answer
    x = 9,932.21

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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.