Home / 12,173.08-18,262.84-3,853.24

Finding the Fourth Proportional to 12,173.08, 18,262.84 and 3,853.24

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Solution

The fourth proportional to 12,173.08, 18,262.84 and 3,853.24 is: 5,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.08 : 18,262.84 = 3,853.24 : x
  2. Step 2: Convert to fraction form
    12,173.08/18,262.84 = 3,853.24/x
  3. Step 3: Cross multiply
    12,173.08x = 18,262.84 × 3,853.24
  4. Step 4: Simplify right side
    12,173.08x = 70,371,105.60
  5. Step 5: Solve for x
    x = 70,371,105.60/12,173.08
  6. Step 6: Final answer
    x = 5,780.88

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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.