Home / 11,954.32-16,496.98-6,649.09

Finding the Fourth Proportional to 11,954.32, 16,496.98 and 6,649.09

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Solution

The fourth proportional to 11,954.32, 16,496.98 and 6,649.09 is: 9,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.32 : 16,496.98 = 6,649.09 : x
  2. Step 2: Convert to fraction form
    11,954.32/16,496.98 = 6,649.09/x
  3. Step 3: Cross multiply
    11,954.32x = 16,496.98 × 6,649.09
  4. Step 4: Simplify right side
    11,954.32x = 109,689,904.75
  5. Step 5: Solve for x
    x = 109,689,904.75/11,954.32
  6. Step 6: Final answer
    x = 9,175.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.