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Finding the Fourth Proportional to 8,646.71, 11,926.07 and 5,958.83

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Solution

The fourth proportional to 8,646.71, 11,926.07 and 5,958.83 is: 8,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.71 : 11,926.07 = 5,958.83 : x
  2. Step 2: Convert to fraction form
    8,646.71/11,926.07 = 5,958.83/x
  3. Step 3: Cross multiply
    8,646.71x = 11,926.07 × 5,958.83
  4. Step 4: Simplify right side
    8,646.71x = 71,065,423.70
  5. Step 5: Solve for x
    x = 71,065,423.70/8,646.71
  6. Step 6: Final answer
    x = 8,218.78

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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.