Home / 11,229.68-16,837.32-4,660.40

Finding the Fourth Proportional to 11,229.68, 16,837.32 and 4,660.40

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Solution

The fourth proportional to 11,229.68, 16,837.32 and 4,660.40 is: 6,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.68 : 16,837.32 = 4,660.40 : x
  2. Step 2: Convert to fraction form
    11,229.68/16,837.32 = 4,660.40/x
  3. Step 3: Cross multiply
    11,229.68x = 16,837.32 × 4,660.40
  4. Step 4: Simplify right side
    11,229.68x = 78,468,646.13
  5. Step 5: Solve for x
    x = 78,468,646.13/11,229.68
  6. Step 6: Final answer
    x = 6,987.61

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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.