Home / 12,408.19-18,587.27-5,735.27

Finding the Fourth Proportional to 12,408.19, 18,587.27 and 5,735.27

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Solution

The fourth proportional to 12,408.19, 18,587.27 and 5,735.27 is: 8,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.19 : 18,587.27 = 5,735.27 : x
  2. Step 2: Convert to fraction form
    12,408.19/18,587.27 = 5,735.27/x
  3. Step 3: Cross multiply
    12,408.19x = 18,587.27 × 5,735.27
  4. Step 4: Simplify right side
    12,408.19x = 106,603,072.82
  5. Step 5: Solve for x
    x = 106,603,072.82/12,408.19
  6. Step 6: Final answer
    x = 8,591.35

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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.