Home / 11,883.53-16,400.10-6,578.69

Finding the Fourth Proportional to 11,883.53, 16,400.10 and 6,578.69

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Solution

The fourth proportional to 11,883.53, 16,400.10 and 6,578.69 is: 9,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.53 : 16,400.10 = 6,578.69 : x
  2. Step 2: Convert to fraction form
    11,883.53/16,400.10 = 6,578.69/x
  3. Step 3: Cross multiply
    11,883.53x = 16,400.10 × 6,578.69
  4. Step 4: Simplify right side
    11,883.53x = 107,891,091.87
  5. Step 5: Solve for x
    x = 107,891,091.87/11,883.53
  6. Step 6: Final answer
    x = 9,079.05

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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.