Home / 11,294.40-16,946.46-5,455.38

Finding the Fourth Proportional to 11,294.40, 16,946.46 and 5,455.38

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Solution

The fourth proportional to 11,294.40, 16,946.46 and 5,455.38 is: 8,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.40 : 16,946.46 = 5,455.38 : x
  2. Step 2: Convert to fraction form
    11,294.40/16,946.46 = 5,455.38/x
  3. Step 3: Cross multiply
    11,294.40x = 16,946.46 × 5,455.38
  4. Step 4: Simplify right side
    11,294.40x = 92,449,378.95
  5. Step 5: Solve for x
    x = 92,449,378.95/11,294.40
  6. Step 6: Final answer
    x = 8,185.42

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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.