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Finding the Fourth Proportional to 8,363.66, 12,553.38 and 6,355.26

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Solution

The fourth proportional to 8,363.66, 12,553.38 and 6,355.26 is: 9,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.66 : 12,553.38 = 6,355.26 : x
  2. Step 2: Convert to fraction form
    8,363.66/12,553.38 = 6,355.26/x
  3. Step 3: Cross multiply
    8,363.66x = 12,553.38 × 6,355.26
  4. Step 4: Simplify right side
    8,363.66x = 79,779,993.78
  5. Step 5: Solve for x
    x = 79,779,993.78/8,363.66
  6. Step 6: Final answer
    x = 9,538.89

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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.