Home / 12,467.48-17,202.04-7,620.95

Finding the Fourth Proportional to 12,467.48, 17,202.04 and 7,620.95

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Solution

The fourth proportional to 12,467.48, 17,202.04 and 7,620.95 is: 10,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.48 : 17,202.04 = 7,620.95 : x
  2. Step 2: Convert to fraction form
    12,467.48/17,202.04 = 7,620.95/x
  3. Step 3: Cross multiply
    12,467.48x = 17,202.04 × 7,620.95
  4. Step 4: Simplify right side
    12,467.48x = 131,095,910.69
  5. Step 5: Solve for x
    x = 131,095,910.69/12,467.48
  6. Step 6: Final answer
    x = 10,515.03

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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.