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Finding the Fourth Proportional to 8,835.86, 12,193.36 and 4,856.89

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Solution

The fourth proportional to 8,835.86, 12,193.36 and 4,856.89 is: 6,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.86 : 12,193.36 = 4,856.89 : x
  2. Step 2: Convert to fraction form
    8,835.86/12,193.36 = 4,856.89/x
  3. Step 3: Cross multiply
    8,835.86x = 12,193.36 × 4,856.89
  4. Step 4: Simplify right side
    8,835.86x = 59,221,783.97
  5. Step 5: Solve for x
    x = 59,221,783.97/8,835.86
  6. Step 6: Final answer
    x = 6,702.43

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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.