Home / 9,080.72-13,621.18-2,840.48

Finding the Fourth Proportional to 9,080.72, 13,621.18 and 2,840.48

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Solution

The fourth proportional to 9,080.72, 13,621.18 and 2,840.48 is: 4,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.72 : 13,621.18 = 2,840.48 : x
  2. Step 2: Convert to fraction form
    9,080.72/13,621.18 = 2,840.48/x
  3. Step 3: Cross multiply
    9,080.72x = 13,621.18 × 2,840.48
  4. Step 4: Simplify right side
    9,080.72x = 38,690,614.16
  5. Step 5: Solve for x
    x = 38,690,614.16/9,080.72
  6. Step 6: Final answer
    x = 4,260.75

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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.