Home / 11,131.56-16,697.28-2,923.56

Finding the Fourth Proportional to 11,131.56, 16,697.28 and 2,923.56

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Solution

The fourth proportional to 11,131.56, 16,697.28 and 2,923.56 is: 4,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.56 : 16,697.28 = 2,923.56 : x
  2. Step 2: Convert to fraction form
    11,131.56/16,697.28 = 2,923.56/x
  3. Step 3: Cross multiply
    11,131.56x = 16,697.28 × 2,923.56
  4. Step 4: Simplify right side
    11,131.56x = 48,815,499.92
  5. Step 5: Solve for x
    x = 48,815,499.92/11,131.56
  6. Step 6: Final answer
    x = 4,385.32

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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.