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Finding the Fourth Proportional to 11,898.67, 16,420.53 and 6,593.98

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Solution

The fourth proportional to 11,898.67, 16,420.53 and 6,593.98 is: 9,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.67 : 16,420.53 = 6,593.98 : x
  2. Step 2: Convert to fraction form
    11,898.67/16,420.53 = 6,593.98/x
  3. Step 3: Cross multiply
    11,898.67x = 16,420.53 × 6,593.98
  4. Step 4: Simplify right side
    11,898.67x = 108,276,646.41
  5. Step 5: Solve for x
    x = 108,276,646.41/11,898.67
  6. Step 6: Final answer
    x = 9,099.89

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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.