Home / 11,199.44-15,451.62-7,213.52

Finding the Fourth Proportional to 11,199.44, 15,451.62 and 7,213.52

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Solution

The fourth proportional to 11,199.44, 15,451.62 and 7,213.52 is: 9,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.44 : 15,451.62 = 7,213.52 : x
  2. Step 2: Convert to fraction form
    11,199.44/15,451.62 = 7,213.52/x
  3. Step 3: Cross multiply
    11,199.44x = 15,451.62 × 7,213.52
  4. Step 4: Simplify right side
    11,199.44x = 111,460,569.90
  5. Step 5: Solve for x
    x = 111,460,569.90/11,199.44
  6. Step 6: Final answer
    x = 9,952.33

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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.