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Finding the Fourth Proportional to 8,834.76, 12,191.90 and 4,855.77

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Solution

The fourth proportional to 8,834.76, 12,191.90 and 4,855.77 is: 6,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.76 : 12,191.90 = 4,855.77 : x
  2. Step 2: Convert to fraction form
    8,834.76/12,191.90 = 4,855.77/x
  3. Step 3: Cross multiply
    8,834.76x = 12,191.90 × 4,855.77
  4. Step 4: Simplify right side
    8,834.76x = 59,201,037.98
  5. Step 5: Solve for x
    x = 59,201,037.98/8,834.76
  6. Step 6: Final answer
    x = 6,700.92

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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.