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Finding the Fourth Proportional to 10,793.86, 14,888.24 and 6,811.62

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Solution

The fourth proportional to 10,793.86, 14,888.24 and 6,811.62 is: 9,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.86 : 14,888.24 = 6,811.62 : x
  2. Step 2: Convert to fraction form
    10,793.86/14,888.24 = 6,811.62/x
  3. Step 3: Cross multiply
    10,793.86x = 14,888.24 × 6,811.62
  4. Step 4: Simplify right side
    10,793.86x = 101,413,033.35
  5. Step 5: Solve for x
    x = 101,413,033.35/10,793.86
  6. Step 6: Final answer
    x = 9,395.44

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1.5x scale

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.