Home / 11,696.84-16,142.60-6,662.64

Finding the Fourth Proportional to 11,696.84, 16,142.60 and 6,662.64

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Solution

The fourth proportional to 11,696.84, 16,142.60 and 6,662.64 is: 9,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.84 : 16,142.60 = 6,662.64 : x
  2. Step 2: Convert to fraction form
    11,696.84/16,142.60 = 6,662.64/x
  3. Step 3: Cross multiply
    11,696.84x = 16,142.60 × 6,662.64
  4. Step 4: Simplify right side
    11,696.84x = 107,552,349.12
  5. Step 5: Solve for x
    x = 107,552,349.12/11,696.84
  6. Step 6: Final answer
    x = 9,194.99

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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.