Home / 11,498.32-17,239.74-3,999.94

Finding the Fourth Proportional to 11,498.32, 17,239.74 and 3,999.94

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Solution

The fourth proportional to 11,498.32, 17,239.74 and 3,999.94 is: 5,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.32 : 17,239.74 = 3,999.94 : x
  2. Step 2: Convert to fraction form
    11,498.32/17,239.74 = 3,999.94/x
  3. Step 3: Cross multiply
    11,498.32x = 17,239.74 × 3,999.94
  4. Step 4: Simplify right side
    11,498.32x = 68,957,925.62
  5. Step 5: Solve for x
    x = 68,957,925.62/11,498.32
  6. Step 6: Final answer
    x = 5,997.22

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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.