Home / 7,412.46-11,113.44-3,712.03

Finding the Fourth Proportional to 7,412.46, 11,113.44 and 3,712.03

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Solution

The fourth proportional to 7,412.46, 11,113.44 and 3,712.03 is: 5,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.46 : 11,113.44 = 3,712.03 : x
  2. Step 2: Convert to fraction form
    7,412.46/11,113.44 = 3,712.03/x
  3. Step 3: Cross multiply
    7,412.46x = 11,113.44 × 3,712.03
  4. Step 4: Simplify right side
    7,412.46x = 41,253,422.68
  5. Step 5: Solve for x
    x = 41,253,422.68/7,412.46
  6. Step 6: Final answer
    x = 5,565.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.