Home / 12,173.84-18,261.44-3,409.44

Finding the Fourth Proportional to 12,173.84, 18,261.44 and 3,409.44

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Solution

The fourth proportional to 12,173.84, 18,261.44 and 3,409.44 is: 5,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.84 : 18,261.44 = 3,409.44 : x
  2. Step 2: Convert to fraction form
    12,173.84/18,261.44 = 3,409.44/x
  3. Step 3: Cross multiply
    12,173.84x = 18,261.44 × 3,409.44
  4. Step 4: Simplify right side
    12,173.84x = 62,261,283.99
  5. Step 5: Solve for x
    x = 62,261,283.99/12,173.84
  6. Step 6: Final answer
    x = 5,114.35

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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.