Home / 6,893.28-10,340.61-2,212.12

Finding the Fourth Proportional to 6,893.28, 10,340.61 and 2,212.12

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Solution

The fourth proportional to 6,893.28, 10,340.61 and 2,212.12 is: 3,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.28 : 10,340.61 = 2,212.12 : x
  2. Step 2: Convert to fraction form
    6,893.28/10,340.61 = 2,212.12/x
  3. Step 3: Cross multiply
    6,893.28x = 10,340.61 × 2,212.12
  4. Step 4: Simplify right side
    6,893.28x = 22,874,670.19
  5. Step 5: Solve for x
    x = 22,874,670.19/6,893.28
  6. Step 6: Final answer
    x = 3,318.40

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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.