Home / 6,851.20-10,276.78-5,293.46

Finding the Fourth Proportional to 6,851.20, 10,276.78 and 5,293.46

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Solution

The fourth proportional to 6,851.20, 10,276.78 and 5,293.46 is: 7,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.20 : 10,276.78 = 5,293.46 : x
  2. Step 2: Convert to fraction form
    6,851.20/10,276.78 = 5,293.46/x
  3. Step 3: Cross multiply
    6,851.20x = 10,276.78 × 5,293.46
  4. Step 4: Simplify right side
    6,851.20x = 54,399,723.86
  5. Step 5: Solve for x
    x = 54,399,723.86/6,851.20
  6. Step 6: Final answer
    x = 7,940.17

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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.