Home / 11,228.52-16,842.84-2,907.95

Finding the Fourth Proportional to 11,228.52, 16,842.84 and 2,907.95

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Solution

The fourth proportional to 11,228.52, 16,842.84 and 2,907.95 is: 4,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.52 : 16,842.84 = 2,907.95 : x
  2. Step 2: Convert to fraction form
    11,228.52/16,842.84 = 2,907.95/x
  3. Step 3: Cross multiply
    11,228.52x = 16,842.84 × 2,907.95
  4. Step 4: Simplify right side
    11,228.52x = 48,978,136.20
  5. Step 5: Solve for x
    x = 48,978,136.20/11,228.52
  6. Step 6: Final answer
    x = 4,361.94

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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.