Home / 11,327.31-16,991.85-3,007.32

Finding the Fourth Proportional to 11,327.31, 16,991.85 and 3,007.32

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Solution

The fourth proportional to 11,327.31, 16,991.85 and 3,007.32 is: 4,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.31 : 16,991.85 = 3,007.32 : x
  2. Step 2: Convert to fraction form
    11,327.31/16,991.85 = 3,007.32/x
  3. Step 3: Cross multiply
    11,327.31x = 16,991.85 × 3,007.32
  4. Step 4: Simplify right side
    11,327.31x = 51,100,005.34
  5. Step 5: Solve for x
    x = 51,100,005.34/11,327.31
  6. Step 6: Final answer
    x = 4,511.22

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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.