Home / 11,479.20-17,218.74-4,083.93

Finding the Fourth Proportional to 11,479.20, 17,218.74 and 4,083.93

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Solution

The fourth proportional to 11,479.20, 17,218.74 and 4,083.93 is: 6,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.20 : 17,218.74 = 4,083.93 : x
  2. Step 2: Convert to fraction form
    11,479.20/17,218.74 = 4,083.93/x
  3. Step 3: Cross multiply
    11,479.20x = 17,218.74 × 4,083.93
  4. Step 4: Simplify right side
    11,479.20x = 70,320,144.16
  5. Step 5: Solve for x
    x = 70,320,144.16/11,479.20
  6. Step 6: Final answer
    x = 6,125.88

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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.