Home / 6,811.62-10,215.45-2,426.70

Finding the Fourth Proportional to 6,811.62, 10,215.45 and 2,426.70

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Solution

The fourth proportional to 6,811.62, 10,215.45 and 2,426.70 is: 3,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.62 : 10,215.45 = 2,426.70 : x
  2. Step 2: Convert to fraction form
    6,811.62/10,215.45 = 2,426.70/x
  3. Step 3: Cross multiply
    6,811.62x = 10,215.45 × 2,426.70
  4. Step 4: Simplify right side
    6,811.62x = 24,789,832.52
  5. Step 5: Solve for x
    x = 24,789,832.52/6,811.62
  6. Step 6: Final answer
    x = 3,639.34

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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.