Home / 12,503.57-18,745.62-6,260.37

Finding the Fourth Proportional to 12,503.57, 18,745.62 and 6,260.37

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Solution

The fourth proportional to 12,503.57, 18,745.62 and 6,260.37 is: 9,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.57 : 18,745.62 = 6,260.37 : x
  2. Step 2: Convert to fraction form
    12,503.57/18,745.62 = 6,260.37/x
  3. Step 3: Cross multiply
    12,503.57x = 18,745.62 × 6,260.37
  4. Step 4: Simplify right side
    12,503.57x = 117,354,517.08
  5. Step 5: Solve for x
    x = 117,354,517.08/12,503.57
  6. Step 6: Final answer
    x = 9,385.68

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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.