Home / 7,416.42-11,112.95-2,729.97

Finding the Fourth Proportional to 7,416.42, 11,112.95 and 2,729.97

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Solution

The fourth proportional to 7,416.42, 11,112.95 and 2,729.97 is: 4,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.42 : 11,112.95 = 2,729.97 : x
  2. Step 2: Convert to fraction form
    7,416.42/11,112.95 = 2,729.97/x
  3. Step 3: Cross multiply
    7,416.42x = 11,112.95 × 2,729.97
  4. Step 4: Simplify right side
    7,416.42x = 30,338,006.46
  5. Step 5: Solve for x
    x = 30,338,006.46/7,416.42
  6. Step 6: Final answer
    x = 4,090.65

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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.