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Finding the Fourth Proportional to 8,404.86, 11,596.95 and 4,867.86

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Solution

The fourth proportional to 8,404.86, 11,596.95 and 4,867.86 is: 6,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.86 : 11,596.95 = 4,867.86 : x
  2. Step 2: Convert to fraction form
    8,404.86/11,596.95 = 4,867.86/x
  3. Step 3: Cross multiply
    8,404.86x = 11,596.95 × 4,867.86
  4. Step 4: Simplify right side
    8,404.86x = 56,452,329.03
  5. Step 5: Solve for x
    x = 56,452,329.03/8,404.86
  6. Step 6: Final answer
    x = 6,716.63

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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.