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Finding the Fourth Proportional to 8,834.94, 13,235.43 and 7,083.78

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Solution

The fourth proportional to 8,834.94, 13,235.43 and 7,083.78 is: 10,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.94 : 13,235.43 = 7,083.78 : x
  2. Step 2: Convert to fraction form
    8,834.94/13,235.43 = 7,083.78/x
  3. Step 3: Cross multiply
    8,834.94x = 13,235.43 × 7,083.78
  4. Step 4: Simplify right side
    8,834.94x = 93,756,874.33
  5. Step 5: Solve for x
    x = 93,756,874.33/8,834.94
  6. Step 6: Final answer
    x = 10,612.06

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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.