Home / 11,728.32-17,593.38-8,644.68

Finding the Fourth Proportional to 11,728.32, 17,593.38 and 8,644.68

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Solution

The fourth proportional to 11,728.32, 17,593.38 and 8,644.68 is: 12,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.32 : 17,593.38 = 8,644.68 : x
  2. Step 2: Convert to fraction form
    11,728.32/17,593.38 = 8,644.68/x
  3. Step 3: Cross multiply
    11,728.32x = 17,593.38 × 8,644.68
  4. Step 4: Simplify right side
    11,728.32x = 152,089,140.22
  5. Step 5: Solve for x
    x = 152,089,140.22/11,728.32
  6. Step 6: Final answer
    x = 12,967.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.