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Finding the Fourth Proportional to 8,383.76, 11,566.28 and 5,401.34

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Solution

The fourth proportional to 8,383.76, 11,566.28 and 5,401.34 is: 7,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.76 : 11,566.28 = 5,401.34 : x
  2. Step 2: Convert to fraction form
    8,383.76/11,566.28 = 5,401.34/x
  3. Step 3: Cross multiply
    8,383.76x = 11,566.28 × 5,401.34
  4. Step 4: Simplify right side
    8,383.76x = 62,473,346.95
  5. Step 5: Solve for x
    x = 62,473,346.95/8,383.76
  6. Step 6: Final answer
    x = 7,451.71

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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.