Home / 6,909.96-9,536.37-3,926.73

Finding the Fourth Proportional to 6,909.96, 9,536.37 and 3,926.73

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Solution

The fourth proportional to 6,909.96, 9,536.37 and 3,926.73 is: 5,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.96 : 9,536.37 = 3,926.73 : x
  2. Step 2: Convert to fraction form
    6,909.96/9,536.37 = 3,926.73/x
  3. Step 3: Cross multiply
    6,909.96x = 9,536.37 × 3,926.73
  4. Step 4: Simplify right side
    6,909.96x = 37,446,750.17
  5. Step 5: Solve for x
    x = 37,446,750.17/6,909.96
  6. Step 6: Final answer
    x = 5,419.24

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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.