Home / 12,408.49-18,615.47-5,834.73

Finding the Fourth Proportional to 12,408.49, 18,615.47 and 5,834.73

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Solution

The fourth proportional to 12,408.49, 18,615.47 and 5,834.73 is: 8,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.49 : 18,615.47 = 5,834.73 : x
  2. Step 2: Convert to fraction form
    12,408.49/18,615.47 = 5,834.73/x
  3. Step 3: Cross multiply
    12,408.49x = 18,615.47 × 5,834.73
  4. Step 4: Simplify right side
    12,408.49x = 108,616,314.73
  5. Step 5: Solve for x
    x = 108,616,314.73/12,408.49
  6. Step 6: Final answer
    x = 8,753.39

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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.