Home / 11,101.92-16,638.48-4,520.46

Finding the Fourth Proportional to 11,101.92, 16,638.48 and 4,520.46

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Solution

The fourth proportional to 11,101.92, 16,638.48 and 4,520.46 is: 6,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.92 : 16,638.48 = 4,520.46 : x
  2. Step 2: Convert to fraction form
    11,101.92/16,638.48 = 4,520.46/x
  3. Step 3: Cross multiply
    11,101.92x = 16,638.48 × 4,520.46
  4. Step 4: Simplify right side
    11,101.92x = 75,213,583.30
  5. Step 5: Solve for x
    x = 75,213,583.30/11,101.92
  6. Step 6: Final answer
    x = 6,774.83

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1.5x scale

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.