Home / 6,278.11-8,664.47-4,011.52

Finding the Fourth Proportional to 6,278.11, 8,664.47 and 4,011.52

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Solution

The fourth proportional to 6,278.11, 8,664.47 and 4,011.52 is: 5,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.11 : 8,664.47 = 4,011.52 : x
  2. Step 2: Convert to fraction form
    6,278.11/8,664.47 = 4,011.52/x
  3. Step 3: Cross multiply
    6,278.11x = 8,664.47 × 4,011.52
  4. Step 4: Simplify right side
    6,278.11x = 34,757,694.69
  5. Step 5: Solve for x
    x = 34,757,694.69/6,278.11
  6. Step 6: Final answer
    x = 5,536.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.