Home / 8,192.16-12,268.62-4,718.88

Finding the Fourth Proportional to 8,192.16, 12,268.62 and 4,718.88

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Solution

The fourth proportional to 8,192.16, 12,268.62 and 4,718.88 is: 7,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.16 : 12,268.62 = 4,718.88 : x
  2. Step 2: Convert to fraction form
    8,192.16/12,268.62 = 4,718.88/x
  3. Step 3: Cross multiply
    8,192.16x = 12,268.62 × 4,718.88
  4. Step 4: Simplify right side
    8,192.16x = 57,894,145.55
  5. Step 5: Solve for x
    x = 57,894,145.55/8,192.16
  6. Step 6: Final answer
    x = 7,067.02

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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.