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Finding the Fourth Proportional to 11,898.59, 16,420.19 and 6,593.49

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Solution

The fourth proportional to 11,898.59, 16,420.19 and 6,593.49 is: 9,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.59 : 16,420.19 = 6,593.49 : x
  2. Step 2: Convert to fraction form
    11,898.59/16,420.19 = 6,593.49/x
  3. Step 3: Cross multiply
    11,898.59x = 16,420.19 × 6,593.49
  4. Step 4: Simplify right side
    11,898.59x = 108,266,325.60
  5. Step 5: Solve for x
    x = 108,266,325.60/11,898.59
  6. Step 6: Final answer
    x = 9,099.09

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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.