Home / 11,403.03-15,734.61-6,366.66

Finding the Fourth Proportional to 11,403.03, 15,734.61 and 6,366.66

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Solution

The fourth proportional to 11,403.03, 15,734.61 and 6,366.66 is: 8,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.03 : 15,734.61 = 6,366.66 : x
  2. Step 2: Convert to fraction form
    11,403.03/15,734.61 = 6,366.66/x
  3. Step 3: Cross multiply
    11,403.03x = 15,734.61 × 6,366.66
  4. Step 4: Simplify right side
    11,403.03x = 100,176,912.10
  5. Step 5: Solve for x
    x = 100,176,912.10/11,403.03
  6. Step 6: Final answer
    x = 8,785.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.