Home / 6,908.88-9,534.60-3,924.72

Finding the Fourth Proportional to 6,908.88, 9,534.60 and 3,924.72

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Solution

The fourth proportional to 6,908.88, 9,534.60 and 3,924.72 is: 5,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.88 : 9,534.60 = 3,924.72 : x
  2. Step 2: Convert to fraction form
    6,908.88/9,534.60 = 3,924.72/x
  3. Step 3: Cross multiply
    6,908.88x = 9,534.60 × 3,924.72
  4. Step 4: Simplify right side
    6,908.88x = 37,420,635.31
  5. Step 5: Solve for x
    x = 37,420,635.31/6,908.88
  6. Step 6: Final answer
    x = 5,416.31

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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.