Home / 11,568.99-15,961.84-7,796.42

Finding the Fourth Proportional to 11,568.99, 15,961.84 and 7,796.42

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Solution

The fourth proportional to 11,568.99, 15,961.84 and 7,796.42 is: 10,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.99 : 15,961.84 = 7,796.42 : x
  2. Step 2: Convert to fraction form
    11,568.99/15,961.84 = 7,796.42/x
  3. Step 3: Cross multiply
    11,568.99x = 15,961.84 × 7,796.42
  4. Step 4: Simplify right side
    11,568.99x = 124,445,208.61
  5. Step 5: Solve for x
    x = 124,445,208.61/11,568.99
  6. Step 6: Final answer
    x = 10,756.79

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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.