Home / 8,958.36-13,439.51-3,411.73

Finding the Fourth Proportional to 8,958.36, 13,439.51 and 3,411.73

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Solution

The fourth proportional to 8,958.36, 13,439.51 and 3,411.73 is: 5,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.36 : 13,439.51 = 3,411.73 : x
  2. Step 2: Convert to fraction form
    8,958.36/13,439.51 = 3,411.73/x
  3. Step 3: Cross multiply
    8,958.36x = 13,439.51 × 3,411.73
  4. Step 4: Simplify right side
    8,958.36x = 45,851,991.99
  5. Step 5: Solve for x
    x = 45,851,991.99/8,958.36
  6. Step 6: Final answer
    x = 5,118.34

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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.