Home / 12,287.03-18,408.67-5,701.73

Finding the Fourth Proportional to 12,287.03, 18,408.67 and 5,701.73

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Solution

The fourth proportional to 12,287.03, 18,408.67 and 5,701.73 is: 8,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.03 : 18,408.67 = 5,701.73 : x
  2. Step 2: Convert to fraction form
    12,287.03/18,408.67 = 5,701.73/x
  3. Step 3: Cross multiply
    12,287.03x = 18,408.67 × 5,701.73
  4. Step 4: Simplify right side
    12,287.03x = 104,961,159.70
  5. Step 5: Solve for x
    x = 104,961,159.70/12,287.03
  6. Step 6: Final answer
    x = 8,542.44

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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.