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Finding the Fourth Proportional to 9,169.02, 12,654.30 and 8,606.04

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Solution

The fourth proportional to 9,169.02, 12,654.30 and 8,606.04 is: 11,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.02 : 12,654.30 = 8,606.04 : x
  2. Step 2: Convert to fraction form
    9,169.02/12,654.30 = 8,606.04/x
  3. Step 3: Cross multiply
    9,169.02x = 12,654.30 × 8,606.04
  4. Step 4: Simplify right side
    9,169.02x = 108,903,411.97
  5. Step 5: Solve for x
    x = 108,903,411.97/9,169.02
  6. Step 6: Final answer
    x = 11,877.32

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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.