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Finding the Fourth Proportional to 8,738.21, 13,098.08 and 5,957.99

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Solution

The fourth proportional to 8,738.21, 13,098.08 and 5,957.99 is: 8,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.21 : 13,098.08 = 5,957.99 : x
  2. Step 2: Convert to fraction form
    8,738.21/13,098.08 = 5,957.99/x
  3. Step 3: Cross multiply
    8,738.21x = 13,098.08 × 5,957.99
  4. Step 4: Simplify right side
    8,738.21x = 78,038,134.38
  5. Step 5: Solve for x
    x = 78,038,134.38/8,738.21
  6. Step 6: Final answer
    x = 8,930.68

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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.