Home / 11,052.80-16,579.20-6,617.60

Finding the Fourth Proportional to 11,052.80, 16,579.20 and 6,617.60

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Solution

The fourth proportional to 11,052.80, 16,579.20 and 6,617.60 is: 9,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.80 : 16,579.20 = 6,617.60 : x
  2. Step 2: Convert to fraction form
    11,052.80/16,579.20 = 6,617.60/x
  3. Step 3: Cross multiply
    11,052.80x = 16,579.20 × 6,617.60
  4. Step 4: Simplify right side
    11,052.80x = 109,714,513.92
  5. Step 5: Solve for x
    x = 109,714,513.92/11,052.80
  6. Step 6: Final answer
    x = 9,926.40

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Similar ratio
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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.