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Finding the Fourth Proportional to 8,486.97, 11,714.18 and 4,950.71

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Solution

The fourth proportional to 8,486.97, 11,714.18 and 4,950.71 is: 6,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.97 : 11,714.18 = 4,950.71 : x
  2. Step 2: Convert to fraction form
    8,486.97/11,714.18 = 4,950.71/x
  3. Step 3: Cross multiply
    8,486.97x = 11,714.18 × 4,950.71
  4. Step 4: Simplify right side
    8,486.97x = 57,993,508.07
  5. Step 5: Solve for x
    x = 57,993,508.07/8,486.97
  6. Step 6: Final answer
    x = 6,833.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.