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Finding the Fourth Proportional to 8,815.11, 13,198.97 and 4,646.45

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Solution

The fourth proportional to 8,815.11, 13,198.97 and 4,646.45 is: 6,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.11 : 13,198.97 = 4,646.45 : x
  2. Step 2: Convert to fraction form
    8,815.11/13,198.97 = 4,646.45/x
  3. Step 3: Cross multiply
    8,815.11x = 13,198.97 × 4,646.45
  4. Step 4: Simplify right side
    8,815.11x = 61,328,354.16
  5. Step 5: Solve for x
    x = 61,328,354.16/8,815.11
  6. Step 6: Final answer
    x = 6,957.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.