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Finding the Fourth Proportional to 7,793.03, 11,742.15 and 6,436.76

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Solution

The fourth proportional to 7,793.03, 11,742.15 and 6,436.76 is: 9,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.03 : 11,742.15 = 6,436.76 : x
  2. Step 2: Convert to fraction form
    7,793.03/11,742.15 = 6,436.76/x
  3. Step 3: Cross multiply
    7,793.03x = 11,742.15 × 6,436.76
  4. Step 4: Simplify right side
    7,793.03x = 75,581,342.72
  5. Step 5: Solve for x
    x = 75,581,342.72/7,793.03
  6. Step 6: Final answer
    x = 9,698.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.