Home / 11,358.45-17,033.31-5,118.21

Finding the Fourth Proportional to 11,358.45, 17,033.31 and 5,118.21

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Solution

The fourth proportional to 11,358.45, 17,033.31 and 5,118.21 is: 7,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.45 : 17,033.31 = 5,118.21 : x
  2. Step 2: Convert to fraction form
    11,358.45/17,033.31 = 5,118.21/x
  3. Step 3: Cross multiply
    11,358.45x = 17,033.31 × 5,118.21
  4. Step 4: Simplify right side
    11,358.45x = 87,180,057.58
  5. Step 5: Solve for x
    x = 87,180,057.58/11,358.45
  6. Step 6: Final answer
    x = 7,675.35

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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.