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Finding the Fourth Proportional to 8,807.32, 13,196.94 and 6,456.44

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Solution

The fourth proportional to 8,807.32, 13,196.94 and 6,456.44 is: 9,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.32 : 13,196.94 = 6,456.44 : x
  2. Step 2: Convert to fraction form
    8,807.32/13,196.94 = 6,456.44/x
  3. Step 3: Cross multiply
    8,807.32x = 13,196.94 × 6,456.44
  4. Step 4: Simplify right side
    8,807.32x = 85,205,251.29
  5. Step 5: Solve for x
    x = 85,205,251.29/8,807.32
  6. Step 6: Final answer
    x = 9,674.37

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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.