Home / 11,131.12-15,361.14-7,595.47

Finding the Fourth Proportional to 11,131.12, 15,361.14 and 7,595.47

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Solution

The fourth proportional to 11,131.12, 15,361.14 and 7,595.47 is: 10,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.12 : 15,361.14 = 7,595.47 : x
  2. Step 2: Convert to fraction form
    11,131.12/15,361.14 = 7,595.47/x
  3. Step 3: Cross multiply
    11,131.12x = 15,361.14 × 7,595.47
  4. Step 4: Simplify right side
    11,131.12x = 116,675,125.72
  5. Step 5: Solve for x
    x = 116,675,125.72/11,131.12
  6. Step 6: Final answer
    x = 10,481.88

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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.