Home / 12,173.19-18,262.51-3,853.70

Finding the Fourth Proportional to 12,173.19, 18,262.51 and 3,853.70

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Solution

The fourth proportional to 12,173.19, 18,262.51 and 3,853.70 is: 5,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.19 : 18,262.51 = 3,853.70 : x
  2. Step 2: Convert to fraction form
    12,173.19/18,262.51 = 3,853.70/x
  3. Step 3: Cross multiply
    12,173.19x = 18,262.51 × 3,853.70
  4. Step 4: Simplify right side
    12,173.19x = 70,378,234.79
  5. Step 5: Solve for x
    x = 70,378,234.79/12,173.19
  6. Step 6: Final answer
    x = 5,781.42

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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.