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Finding the Fourth Proportional to 8,986.28, 13,462.98 and 6,514.97

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Solution

The fourth proportional to 8,986.28, 13,462.98 and 6,514.97 is: 9,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.28 : 13,462.98 = 6,514.97 : x
  2. Step 2: Convert to fraction form
    8,986.28/13,462.98 = 6,514.97/x
  3. Step 3: Cross multiply
    8,986.28x = 13,462.98 × 6,514.97
  4. Step 4: Simplify right side
    8,986.28x = 87,710,910.81
  5. Step 5: Solve for x
    x = 87,710,910.81/8,986.28
  6. Step 6: Final answer
    x = 9,760.54

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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.