Home / 11,208.45-15,467.54-6,172.59

Finding the Fourth Proportional to 11,208.45, 15,467.54 and 6,172.59

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Solution

The fourth proportional to 11,208.45, 15,467.54 and 6,172.59 is: 8,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.45 : 15,467.54 = 6,172.59 : x
  2. Step 2: Convert to fraction form
    11,208.45/15,467.54 = 6,172.59/x
  3. Step 3: Cross multiply
    11,208.45x = 15,467.54 × 6,172.59
  4. Step 4: Simplify right side
    11,208.45x = 95,474,782.73
  5. Step 5: Solve for x
    x = 95,474,782.73/11,208.45
  6. Step 6: Final answer
    x = 8,518.11

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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.