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Finding the Fourth Proportional to 11,898.69, 16,420.28 and 6,593.59

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Solution

The fourth proportional to 11,898.69, 16,420.28 and 6,593.59 is: 9,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.69 : 16,420.28 = 6,593.59 : x
  2. Step 2: Convert to fraction form
    11,898.69/16,420.28 = 6,593.59/x
  3. Step 3: Cross multiply
    11,898.69x = 16,420.28 × 6,593.59
  4. Step 4: Simplify right side
    11,898.69x = 108,268,594.01
  5. Step 5: Solve for x
    x = 108,268,594.01/11,898.69
  6. Step 6: Final answer
    x = 9,099.20

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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.