Home / 9,910.78-14,868.36-3,336.75

Finding the Fourth Proportional to 9,910.78, 14,868.36 and 3,336.75

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Solution

The fourth proportional to 9,910.78, 14,868.36 and 3,336.75 is: 5,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.78 : 14,868.36 = 3,336.75 : x
  2. Step 2: Convert to fraction form
    9,910.78/14,868.36 = 3,336.75/x
  3. Step 3: Cross multiply
    9,910.78x = 14,868.36 × 3,336.75
  4. Step 4: Simplify right side
    9,910.78x = 49,612,000.23
  5. Step 5: Solve for x
    x = 49,612,000.23/9,910.78
  6. Step 6: Final answer
    x = 5,005.86

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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.