Home / 11,967.38-16,515.76-6,662.18

Finding the Fourth Proportional to 11,967.38, 16,515.76 and 6,662.18

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Solution

The fourth proportional to 11,967.38, 16,515.76 and 6,662.18 is: 9,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.38 : 16,515.76 = 6,662.18 : x
  2. Step 2: Convert to fraction form
    11,967.38/16,515.76 = 6,662.18/x
  3. Step 3: Cross multiply
    11,967.38x = 16,515.76 × 6,662.18
  4. Step 4: Simplify right side
    11,967.38x = 110,030,965.96
  5. Step 5: Solve for x
    x = 110,030,965.96/11,967.38
  6. Step 6: Final answer
    x = 9,194.24

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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.