Home / 9,080.64-13,609.62-3,880.44

Finding the Fourth Proportional to 9,080.64, 13,609.62 and 3,880.44

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Solution

The fourth proportional to 9,080.64, 13,609.62 and 3,880.44 is: 5,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.64 : 13,609.62 = 3,880.44 : x
  2. Step 2: Convert to fraction form
    9,080.64/13,609.62 = 3,880.44/x
  3. Step 3: Cross multiply
    9,080.64x = 13,609.62 × 3,880.44
  4. Step 4: Simplify right side
    9,080.64x = 52,811,313.83
  5. Step 5: Solve for x
    x = 52,811,313.83/9,080.64
  6. Step 6: Final answer
    x = 5,815.81

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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.