Home / 12,382.62-18,581.49-5,364.51

Finding the Fourth Proportional to 12,382.62, 18,581.49 and 5,364.51

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Solution

The fourth proportional to 12,382.62, 18,581.49 and 5,364.51 is: 8,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.62 : 18,581.49 = 5,364.51 : x
  2. Step 2: Convert to fraction form
    12,382.62/18,581.49 = 5,364.51/x
  3. Step 3: Cross multiply
    12,382.62x = 18,581.49 × 5,364.51
  4. Step 4: Simplify right side
    12,382.62x = 99,680,588.92
  5. Step 5: Solve for x
    x = 99,680,588.92/12,382.62
  6. Step 6: Final answer
    x = 8,050.04

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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.