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Finding the Fourth Proportional to 8,833.59, 12,186.59 and 6,471.63

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Solution

The fourth proportional to 8,833.59, 12,186.59 and 6,471.63 is: 8,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.59 : 12,186.59 = 6,471.63 : x
  2. Step 2: Convert to fraction form
    8,833.59/12,186.59 = 6,471.63/x
  3. Step 3: Cross multiply
    8,833.59x = 12,186.59 × 6,471.63
  4. Step 4: Simplify right side
    8,833.59x = 78,867,069.08
  5. Step 5: Solve for x
    x = 78,867,069.08/8,833.59
  6. Step 6: Final answer
    x = 8,928.09

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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.