Home / 12,400.16-18,600.26-4,607.15

Finding the Fourth Proportional to 12,400.16, 18,600.26 and 4,607.15

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Solution

The fourth proportional to 12,400.16, 18,600.26 and 4,607.15 is: 6,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.16 : 18,600.26 = 4,607.15 : x
  2. Step 2: Convert to fraction form
    12,400.16/18,600.26 = 4,607.15/x
  3. Step 3: Cross multiply
    12,400.16x = 18,600.26 × 4,607.15
  4. Step 4: Simplify right side
    12,400.16x = 85,694,071.82
  5. Step 5: Solve for x
    x = 85,694,071.82/12,400.16
  6. Step 6: Final answer
    x = 6,910.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.