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Finding the Fourth Proportional to 9,794.70, 13,520.52 and 6,259.86

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Solution

The fourth proportional to 9,794.70, 13,520.52 and 6,259.86 is: 8,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.70 : 13,520.52 = 6,259.86 : x
  2. Step 2: Convert to fraction form
    9,794.70/13,520.52 = 6,259.86/x
  3. Step 3: Cross multiply
    9,794.70x = 13,520.52 × 6,259.86
  4. Step 4: Simplify right side
    9,794.70x = 84,636,562.33
  5. Step 5: Solve for x
    x = 84,636,562.33/9,794.70
  6. Step 6: Final answer
    x = 8,641.06

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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.