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Finding the Fourth Proportional to 8,992.92, 12,409.83 and 6,008.34

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Solution

The fourth proportional to 8,992.92, 12,409.83 and 6,008.34 is: 8,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.92 : 12,409.83 = 6,008.34 : x
  2. Step 2: Convert to fraction form
    8,992.92/12,409.83 = 6,008.34/x
  3. Step 3: Cross multiply
    8,992.92x = 12,409.83 × 6,008.34
  4. Step 4: Simplify right side
    8,992.92x = 74,562,477.98
  5. Step 5: Solve for x
    x = 74,562,477.98/8,992.92
  6. Step 6: Final answer
    x = 8,291.24

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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.