Home / 11,156.30-16,734.35-2,836.34

Finding the Fourth Proportional to 11,156.30, 16,734.35 and 2,836.34

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Solution

The fourth proportional to 11,156.30, 16,734.35 and 2,836.34 is: 4,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.30 : 16,734.35 = 2,836.34 : x
  2. Step 2: Convert to fraction form
    11,156.30/16,734.35 = 2,836.34/x
  3. Step 3: Cross multiply
    11,156.30x = 16,734.35 × 2,836.34
  4. Step 4: Simplify right side
    11,156.30x = 47,464,229.70
  5. Step 5: Solve for x
    x = 47,464,229.70/11,156.30
  6. Step 6: Final answer
    x = 4,254.48

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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.