Home / 8,150.49-12,219.26-3,530.25

Finding the Fourth Proportional to 8,150.49, 12,219.26 and 3,530.25

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Solution

The fourth proportional to 8,150.49, 12,219.26 and 3,530.25 is: 5,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.49 : 12,219.26 = 3,530.25 : x
  2. Step 2: Convert to fraction form
    8,150.49/12,219.26 = 3,530.25/x
  3. Step 3: Cross multiply
    8,150.49x = 12,219.26 × 3,530.25
  4. Step 4: Simplify right side
    8,150.49x = 43,137,024.96
  5. Step 5: Solve for x
    x = 43,137,024.96/8,150.49
  6. Step 6: Final answer
    x = 5,292.57

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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.