Home / 11,141.82-15,374.51-6,361.31

Finding the Fourth Proportional to 11,141.82, 15,374.51 and 6,361.31

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Solution

The fourth proportional to 11,141.82, 15,374.51 and 6,361.31 is: 8,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.82 : 15,374.51 = 6,361.31 : x
  2. Step 2: Convert to fraction form
    11,141.82/15,374.51 = 6,361.31/x
  3. Step 3: Cross multiply
    11,141.82x = 15,374.51 × 6,361.31
  4. Step 4: Simplify right side
    11,141.82x = 97,802,054.69
  5. Step 5: Solve for x
    x = 97,802,054.69/11,141.82
  6. Step 6: Final answer
    x = 8,777.92

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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.