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Finding the Fourth Proportional to 8,355.49, 12,508.63 and 6,173.96

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Solution

The fourth proportional to 8,355.49, 12,508.63 and 6,173.96 is: 9,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.49 : 12,508.63 = 6,173.96 : x
  2. Step 2: Convert to fraction form
    8,355.49/12,508.63 = 6,173.96/x
  3. Step 3: Cross multiply
    8,355.49x = 12,508.63 × 6,173.96
  4. Step 4: Simplify right side
    8,355.49x = 77,227,703.30
  5. Step 5: Solve for x
    x = 77,227,703.30/8,355.49
  6. Step 6: Final answer
    x = 9,242.75

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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.