Home / 11,883.58-16,399.47-6,578.49

Finding the Fourth Proportional to 11,883.58, 16,399.47 and 6,578.49

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Solution

The fourth proportional to 11,883.58, 16,399.47 and 6,578.49 is: 9,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.58 : 16,399.47 = 6,578.49 : x
  2. Step 2: Convert to fraction form
    11,883.58/16,399.47 = 6,578.49/x
  3. Step 3: Cross multiply
    11,883.58x = 16,399.47 × 6,578.49
  4. Step 4: Simplify right side
    11,883.58x = 107,883,749.40
  5. Step 5: Solve for x
    x = 107,883,749.40/11,883.58
  6. Step 6: Final answer
    x = 9,078.39

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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.