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Finding the Fourth Proportional to 8,814.90, 12,164.31 and 4,835.88

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Solution

The fourth proportional to 8,814.90, 12,164.31 and 4,835.88 is: 6,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.90 : 12,164.31 = 4,835.88 : x
  2. Step 2: Convert to fraction form
    8,814.90/12,164.31 = 4,835.88/x
  3. Step 3: Cross multiply
    8,814.90x = 12,164.31 × 4,835.88
  4. Step 4: Simplify right side
    8,814.90x = 58,825,143.44
  5. Step 5: Solve for x
    x = 58,825,143.44/8,814.90
  6. Step 6: Final answer
    x = 6,673.38

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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.