Home / 12,441.17-18,658.85-3,556.25

Finding the Fourth Proportional to 12,441.17, 18,658.85 and 3,556.25

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Solution

The fourth proportional to 12,441.17, 18,658.85 and 3,556.25 is: 5,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.17 : 18,658.85 = 3,556.25 : x
  2. Step 2: Convert to fraction form
    12,441.17/18,658.85 = 3,556.25/x
  3. Step 3: Cross multiply
    12,441.17x = 18,658.85 × 3,556.25
  4. Step 4: Simplify right side
    12,441.17x = 66,355,535.31
  5. Step 5: Solve for x
    x = 66,355,535.31/12,441.17
  6. Step 6: Final answer
    x = 5,333.54

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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.