Home / 9,328.22-12,868.85-6,137.41

Finding the Fourth Proportional to 9,328.22, 12,868.85 and 6,137.41

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Solution

The fourth proportional to 9,328.22, 12,868.85 and 6,137.41 is: 8,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.22 : 12,868.85 = 6,137.41 : x
  2. Step 2: Convert to fraction form
    9,328.22/12,868.85 = 6,137.41/x
  3. Step 3: Cross multiply
    9,328.22x = 12,868.85 × 6,137.41
  4. Step 4: Simplify right side
    9,328.22x = 78,981,408.68
  5. Step 5: Solve for x
    x = 78,981,408.68/9,328.22
  6. Step 6: Final answer
    x = 8,466.94

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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.