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Finding the Fourth Proportional to 8,354.16, 12,537.30 and 6,730.32

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Solution

The fourth proportional to 8,354.16, 12,537.30 and 6,730.32 is: 10,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.16 : 12,537.30 = 6,730.32 : x
  2. Step 2: Convert to fraction form
    8,354.16/12,537.30 = 6,730.32/x
  3. Step 3: Cross multiply
    8,354.16x = 12,537.30 × 6,730.32
  4. Step 4: Simplify right side
    8,354.16x = 84,380,040.94
  5. Step 5: Solve for x
    x = 84,380,040.94/8,354.16
  6. Step 6: Final answer
    x = 10,100.36

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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.