Home / 11,156.90-16,734.92-3,365.50

Finding the Fourth Proportional to 11,156.90, 16,734.92 and 3,365.50

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Solution

The fourth proportional to 11,156.90, 16,734.92 and 3,365.50 is: 5,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.90 : 16,734.92 = 3,365.50 : x
  2. Step 2: Convert to fraction form
    11,156.90/16,734.92 = 3,365.50/x
  3. Step 3: Cross multiply
    11,156.90x = 16,734.92 × 3,365.50
  4. Step 4: Simplify right side
    11,156.90x = 56,321,373.26
  5. Step 5: Solve for x
    x = 56,321,373.26/11,156.90
  6. Step 6: Final answer
    x = 5,048.12

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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.