Home / 11,178.44-16,774.32-4,157.30

Finding the Fourth Proportional to 11,178.44, 16,774.32 and 4,157.30

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Solution

The fourth proportional to 11,178.44, 16,774.32 and 4,157.30 is: 6,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.44 : 16,774.32 = 4,157.30 : x
  2. Step 2: Convert to fraction form
    11,178.44/16,774.32 = 4,157.30/x
  3. Step 3: Cross multiply
    11,178.44x = 16,774.32 × 4,157.30
  4. Step 4: Simplify right side
    11,178.44x = 69,735,880.54
  5. Step 5: Solve for x
    x = 69,735,880.54/11,178.44
  6. Step 6: Final answer
    x = 6,238.43

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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.