Home / 12,272.24-18,404.40-3,504.80

Finding the Fourth Proportional to 12,272.24, 18,404.40 and 3,504.80

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Solution

The fourth proportional to 12,272.24, 18,404.40 and 3,504.80 is: 5,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.24 : 18,404.40 = 3,504.80 : x
  2. Step 2: Convert to fraction form
    12,272.24/18,404.40 = 3,504.80/x
  3. Step 3: Cross multiply
    12,272.24x = 18,404.40 × 3,504.80
  4. Step 4: Simplify right side
    12,272.24x = 64,503,741.12
  5. Step 5: Solve for x
    x = 64,503,741.12/12,272.24
  6. Step 6: Final answer
    x = 5,256.07

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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.