Home / 12,416.25-18,619.77-4,093.86

Finding the Fourth Proportional to 12,416.25, 18,619.77 and 4,093.86

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Solution

The fourth proportional to 12,416.25, 18,619.77 and 4,093.86 is: 6,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.25 : 18,619.77 = 4,093.86 : x
  2. Step 2: Convert to fraction form
    12,416.25/18,619.77 = 4,093.86/x
  3. Step 3: Cross multiply
    12,416.25x = 18,619.77 × 4,093.86
  4. Step 4: Simplify right side
    12,416.25x = 76,226,731.61
  5. Step 5: Solve for x
    x = 76,226,731.61/12,416.25
  6. Step 6: Final answer
    x = 6,139.27

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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.