Home / 8,975.92-13,465.68-2,736.40

Finding the Fourth Proportional to 8,975.92, 13,465.68 and 2,736.40

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Solution

The fourth proportional to 8,975.92, 13,465.68 and 2,736.40 is: 4,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.92 : 13,465.68 = 2,736.40 : x
  2. Step 2: Convert to fraction form
    8,975.92/13,465.68 = 2,736.40/x
  3. Step 3: Cross multiply
    8,975.92x = 13,465.68 × 2,736.40
  4. Step 4: Simplify right side
    8,975.92x = 36,847,486.75
  5. Step 5: Solve for x
    x = 36,847,486.75/8,975.92
  6. Step 6: Final answer
    x = 4,105.15

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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.