Home / 12,305.24-18,468.36-4,914.92

Finding the Fourth Proportional to 12,305.24, 18,468.36 and 4,914.92

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Solution

The fourth proportional to 12,305.24, 18,468.36 and 4,914.92 is: 7,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.24 : 18,468.36 = 4,914.92 : x
  2. Step 2: Convert to fraction form
    12,305.24/18,468.36 = 4,914.92/x
  3. Step 3: Cross multiply
    12,305.24x = 18,468.36 × 4,914.92
  4. Step 4: Simplify right side
    12,305.24x = 90,770,511.93
  5. Step 5: Solve for x
    x = 90,770,511.93/12,305.24
  6. Step 6: Final answer
    x = 7,376.57

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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.