Home / 11,409.42-17,114.13-3,617.63

Finding the Fourth Proportional to 11,409.42, 17,114.13 and 3,617.63

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Solution

The fourth proportional to 11,409.42, 17,114.13 and 3,617.63 is: 5,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.42 : 17,114.13 = 3,617.63 : x
  2. Step 2: Convert to fraction form
    11,409.42/17,114.13 = 3,617.63/x
  3. Step 3: Cross multiply
    11,409.42x = 17,114.13 × 3,617.63
  4. Step 4: Simplify right side
    11,409.42x = 61,912,504.54
  5. Step 5: Solve for x
    x = 61,912,504.54/11,409.42
  6. Step 6: Final answer
    x = 5,426.44

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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.