Home / 6,928.83-10,395-1,998.84

Finding the Fourth Proportional to 6,928.83, 10,395 and 1,998.84

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Solution

The fourth proportional to 6,928.83, 10,395 and 1,998.84 is: 2,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.83 : 10,395 = 1,998.84 : x
  2. Step 2: Convert to fraction form
    6,928.83/10,395 = 1,998.84/x
  3. Step 3: Cross multiply
    6,928.83x = 10,395 × 1,998.84
  4. Step 4: Simplify right side
    6,928.83x = 20,777,941.80
  5. Step 5: Solve for x
    x = 20,777,941.80/6,928.83
  6. Step 6: Final answer
    x = 2,998.77

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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.