Home / 11,883.51-16,399.04-6,578.21

Finding the Fourth Proportional to 11,883.51, 16,399.04 and 6,578.21

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Solution

The fourth proportional to 11,883.51, 16,399.04 and 6,578.21 is: 9,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.51 : 16,399.04 = 6,578.21 : x
  2. Step 2: Convert to fraction form
    11,883.51/16,399.04 = 6,578.21/x
  3. Step 3: Cross multiply
    11,883.51x = 16,399.04 × 6,578.21
  4. Step 4: Simplify right side
    11,883.51x = 107,876,214.03
  5. Step 5: Solve for x
    x = 107,876,214.03/11,883.51
  6. Step 6: Final answer
    x = 9,077.81

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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.