Home / 9,351.20-14,026.64-5,408.39

Finding the Fourth Proportional to 9,351.20, 14,026.64 and 5,408.39

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Solution

The fourth proportional to 9,351.20, 14,026.64 and 5,408.39 is: 8,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.20 : 14,026.64 = 5,408.39 : x
  2. Step 2: Convert to fraction form
    9,351.20/14,026.64 = 5,408.39/x
  3. Step 3: Cross multiply
    9,351.20x = 14,026.64 × 5,408.39
  4. Step 4: Simplify right side
    9,351.20x = 75,861,442.33
  5. Step 5: Solve for x
    x = 75,861,442.33/9,351.20
  6. Step 6: Final answer
    x = 8,112.49

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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.