Home / 7,983.16-11,975.25-2,436.70

Finding the Fourth Proportional to 7,983.16, 11,975.25 and 2,436.70

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Solution

The fourth proportional to 7,983.16, 11,975.25 and 2,436.70 is: 3,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.16 : 11,975.25 = 2,436.70 : x
  2. Step 2: Convert to fraction form
    7,983.16/11,975.25 = 2,436.70/x
  3. Step 3: Cross multiply
    7,983.16x = 11,975.25 × 2,436.70
  4. Step 4: Simplify right side
    7,983.16x = 29,180,091.68
  5. Step 5: Solve for x
    x = 29,180,091.68/7,983.16
  6. Step 6: Final answer
    x = 3,655.21

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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.