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Finding the Fourth Proportional to 8,586.99, 12,861.45 and 6,597.98

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Solution

The fourth proportional to 8,586.99, 12,861.45 and 6,597.98 is: 9,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.99 : 12,861.45 = 6,597.98 : x
  2. Step 2: Convert to fraction form
    8,586.99/12,861.45 = 6,597.98/x
  3. Step 3: Cross multiply
    8,586.99x = 12,861.45 × 6,597.98
  4. Step 4: Simplify right side
    8,586.99x = 84,859,525.56
  5. Step 5: Solve for x
    x = 84,859,525.56/8,586.99
  6. Step 6: Final answer
    x = 9,882.34

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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.