Home / 8,785.80-13,176.62-2,544.16

Finding the Fourth Proportional to 8,785.80, 13,176.62 and 2,544.16

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Solution

The fourth proportional to 8,785.80, 13,176.62 and 2,544.16 is: 3,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.80 : 13,176.62 = 2,544.16 : x
  2. Step 2: Convert to fraction form
    8,785.80/13,176.62 = 2,544.16/x
  3. Step 3: Cross multiply
    8,785.80x = 13,176.62 × 2,544.16
  4. Step 4: Simplify right side
    8,785.80x = 33,523,432.43
  5. Step 5: Solve for x
    x = 33,523,432.43/8,785.80
  6. Step 6: Final answer
    x = 3,815.64

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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.