Home / 11,968.08-16,513.92-6,662.86

Finding the Fourth Proportional to 11,968.08, 16,513.92 and 6,662.86

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Solution

The fourth proportional to 11,968.08, 16,513.92 and 6,662.86 is: 9,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.08 : 16,513.92 = 6,662.86 : x
  2. Step 2: Convert to fraction form
    11,968.08/16,513.92 = 6,662.86/x
  3. Step 3: Cross multiply
    11,968.08x = 16,513.92 × 6,662.86
  4. Step 4: Simplify right side
    11,968.08x = 110,029,937.01
  5. Step 5: Solve for x
    x = 110,029,937.01/11,968.08
  6. Step 6: Final answer
    x = 9,193.62

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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.