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Finding the Fourth Proportional to 8,473.63, 12,714.98 and 6,379.24

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Solution

The fourth proportional to 8,473.63, 12,714.98 and 6,379.24 is: 9,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.63 : 12,714.98 = 6,379.24 : x
  2. Step 2: Convert to fraction form
    8,473.63/12,714.98 = 6,379.24/x
  3. Step 3: Cross multiply
    8,473.63x = 12,714.98 × 6,379.24
  4. Step 4: Simplify right side
    8,473.63x = 81,111,869.17
  5. Step 5: Solve for x
    x = 81,111,869.17/8,473.63
  6. Step 6: Final answer
    x = 9,572.27

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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.