Home / 12,422.01-18,633.60-4,102.77

Finding the Fourth Proportional to 12,422.01, 18,633.60 and 4,102.77

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Solution

The fourth proportional to 12,422.01, 18,633.60 and 4,102.77 is: 6,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.01 : 18,633.60 = 4,102.77 : x
  2. Step 2: Convert to fraction form
    12,422.01/18,633.60 = 4,102.77/x
  3. Step 3: Cross multiply
    12,422.01x = 18,633.60 × 4,102.77
  4. Step 4: Simplify right side
    12,422.01x = 76,449,375.07
  5. Step 5: Solve for x
    x = 76,449,375.07/12,422.01
  6. Step 6: Final answer
    x = 6,154.35

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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.