Home / 11,967.92-16,515.44-6,662.62

Finding the Fourth Proportional to 11,967.92, 16,515.44 and 6,662.62

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Solution

The fourth proportional to 11,967.92, 16,515.44 and 6,662.62 is: 9,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.92 : 16,515.44 = 6,662.62 : x
  2. Step 2: Convert to fraction form
    11,967.92/16,515.44 = 6,662.62/x
  3. Step 3: Cross multiply
    11,967.92x = 16,515.44 × 6,662.62
  4. Step 4: Simplify right side
    11,967.92x = 110,036,100.85
  5. Step 5: Solve for x
    x = 110,036,100.85/11,967.92
  6. Step 6: Final answer
    x = 9,194.25

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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.