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Finding the Fourth Proportional to 8,813.16, 13,207 and 8,546.92

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Solution

The fourth proportional to 8,813.16, 13,207 and 8,546.92 is: 12,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.16 : 13,207 = 8,546.92 : x
  2. Step 2: Convert to fraction form
    8,813.16/13,207 = 8,546.92/x
  3. Step 3: Cross multiply
    8,813.16x = 13,207 × 8,546.92
  4. Step 4: Simplify right side
    8,813.16x = 112,879,172.44
  5. Step 5: Solve for x
    x = 112,879,172.44/8,813.16
  6. Step 6: Final answer
    x = 12,808.02

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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.