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Finding the Fourth Proportional to 12,182.64, 16,812.05 and 6,593.64

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Solution

The fourth proportional to 12,182.64, 16,812.05 and 6,593.64 is: 9,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.64 : 16,812.05 = 6,593.64 : x
  2. Step 2: Convert to fraction form
    12,182.64/16,812.05 = 6,593.64/x
  3. Step 3: Cross multiply
    12,182.64x = 16,812.05 × 6,593.64
  4. Step 4: Simplify right side
    12,182.64x = 110,852,669.74
  5. Step 5: Solve for x
    x = 110,852,669.74/12,182.64
  6. Step 6: Final answer
    x = 9,099.23

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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.