Home / 6,976.80-10,465.68-3,081.24

Finding the Fourth Proportional to 6,976.80, 10,465.68 and 3,081.24

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Solution

The fourth proportional to 6,976.80, 10,465.68 and 3,081.24 is: 4,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.80 : 10,465.68 = 3,081.24 : x
  2. Step 2: Convert to fraction form
    6,976.80/10,465.68 = 3,081.24/x
  3. Step 3: Cross multiply
    6,976.80x = 10,465.68 × 3,081.24
  4. Step 4: Simplify right side
    6,976.80x = 32,247,271.84
  5. Step 5: Solve for x
    x = 32,247,271.84/6,976.80
  6. Step 6: Final answer
    x = 4,622.07

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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.