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Finding the Fourth Proportional to 8,118.63, 12,097.08 and 7,246.26

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Solution

The fourth proportional to 8,118.63, 12,097.08 and 7,246.26 is: 10,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.63 : 12,097.08 = 7,246.26 : x
  2. Step 2: Convert to fraction form
    8,118.63/12,097.08 = 7,246.26/x
  3. Step 3: Cross multiply
    8,118.63x = 12,097.08 × 7,246.26
  4. Step 4: Simplify right side
    8,118.63x = 87,658,586.92
  5. Step 5: Solve for x
    x = 87,658,586.92/8,118.63
  6. Step 6: Final answer
    x = 10,797.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.