Home / 11,190.48-16,787.28-4,950

Finding the Fourth Proportional to 11,190.48, 16,787.28 and 4,950

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Solution

The fourth proportional to 11,190.48, 16,787.28 and 4,950 is: 7,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.48 : 16,787.28 = 4,950 : x
  2. Step 2: Convert to fraction form
    11,190.48/16,787.28 = 4,950/x
  3. Step 3: Cross multiply
    11,190.48x = 16,787.28 × 4,950
  4. Step 4: Simplify right side
    11,190.48x = 83,097,036
  5. Step 5: Solve for x
    x = 83,097,036/11,190.48
  6. Step 6: Final answer
    x = 7,425.69

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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.