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Finding the Fourth Proportional to 8,364.94, 12,539.22 and 4,668.94

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Solution

The fourth proportional to 8,364.94, 12,539.22 and 4,668.94 is: 6,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.94 : 12,539.22 = 4,668.94 : x
  2. Step 2: Convert to fraction form
    8,364.94/12,539.22 = 4,668.94/x
  3. Step 3: Cross multiply
    8,364.94x = 12,539.22 × 4,668.94
  4. Step 4: Simplify right side
    8,364.94x = 58,544,865.83
  5. Step 5: Solve for x
    x = 58,544,865.83/8,364.94
  6. Step 6: Final answer
    x = 6,998.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.