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Finding the Fourth Proportional to 8,363.10, 11,540.73 and 5,007.77

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Solution

The fourth proportional to 8,363.10, 11,540.73 and 5,007.77 is: 6,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.10 : 11,540.73 = 5,007.77 : x
  2. Step 2: Convert to fraction form
    8,363.10/11,540.73 = 5,007.77/x
  3. Step 3: Cross multiply
    8,363.10x = 11,540.73 × 5,007.77
  4. Step 4: Simplify right side
    8,363.10x = 57,793,362.57
  5. Step 5: Solve for x
    x = 57,793,362.57/8,363.10
  6. Step 6: Final answer
    x = 6,910.52

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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.