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Finding the Fourth Proportional to 8,353.36, 12,495.41 and 6,363.94

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Solution

The fourth proportional to 8,353.36, 12,495.41 and 6,363.94 is: 9,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.36 : 12,495.41 = 6,363.94 : x
  2. Step 2: Convert to fraction form
    8,353.36/12,495.41 = 6,363.94/x
  3. Step 3: Cross multiply
    8,353.36x = 12,495.41 × 6,363.94
  4. Step 4: Simplify right side
    8,353.36x = 79,519,988.83
  5. Step 5: Solve for x
    x = 79,519,988.83/8,353.36
  6. Step 6: Final answer
    x = 9,519.52

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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.