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Finding the Fourth Proportional to 8,834.07, 12,191.24 and 4,855.28

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Solution

The fourth proportional to 8,834.07, 12,191.24 and 4,855.28 is: 6,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.07 : 12,191.24 = 4,855.28 : x
  2. Step 2: Convert to fraction form
    8,834.07/12,191.24 = 4,855.28/x
  3. Step 3: Cross multiply
    8,834.07x = 12,191.24 × 4,855.28
  4. Step 4: Simplify right side
    8,834.07x = 59,191,883.75
  5. Step 5: Solve for x
    x = 59,191,883.75/8,834.07
  6. Step 6: Final answer
    x = 6,700.41

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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.