Home / 7,213.05-10,767.43-6,671.97

Finding the Fourth Proportional to 7,213.05, 10,767.43 and 6,671.97

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Solution

The fourth proportional to 7,213.05, 10,767.43 and 6,671.97 is: 9,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.05 : 10,767.43 = 6,671.97 : x
  2. Step 2: Convert to fraction form
    7,213.05/10,767.43 = 6,671.97/x
  3. Step 3: Cross multiply
    7,213.05x = 10,767.43 × 6,671.97
  4. Step 4: Simplify right side
    7,213.05x = 71,839,978.28
  5. Step 5: Solve for x
    x = 71,839,978.28/7,213.05
  6. Step 6: Final answer
    x = 9,959.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.