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Finding the Fourth Proportional to 8,849.76, 12,207.41 and 6,958.31

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Solution

The fourth proportional to 8,849.76, 12,207.41 and 6,958.31 is: 9,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.76 : 12,207.41 = 6,958.31 : x
  2. Step 2: Convert to fraction form
    8,849.76/12,207.41 = 6,958.31/x
  3. Step 3: Cross multiply
    8,849.76x = 12,207.41 × 6,958.31
  4. Step 4: Simplify right side
    8,849.76x = 84,942,873.34
  5. Step 5: Solve for x
    x = 84,942,873.34/8,849.76
  6. Step 6: Final answer
    x = 9,598.33

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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.