Home / 12,272.59-18,409.57-3,507.73

Finding the Fourth Proportional to 12,272.59, 18,409.57 and 3,507.73

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Solution

The fourth proportional to 12,272.59, 18,409.57 and 3,507.73 is: 5,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.59 : 18,409.57 = 3,507.73 : x
  2. Step 2: Convert to fraction form
    12,272.59/18,409.57 = 3,507.73/x
  3. Step 3: Cross multiply
    12,272.59x = 18,409.57 × 3,507.73
  4. Step 4: Simplify right side
    12,272.59x = 64,575,815.22
  5. Step 5: Solve for x
    x = 64,575,815.22/12,272.59
  6. Step 6: Final answer
    x = 5,261.79

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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.