Home / 12,241.92-18,360.72-3,477.60

Finding the Fourth Proportional to 12,241.92, 18,360.72 and 3,477.60

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Solution

The fourth proportional to 12,241.92, 18,360.72 and 3,477.60 is: 5,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.92 : 18,360.72 = 3,477.60 : x
  2. Step 2: Convert to fraction form
    12,241.92/18,360.72 = 3,477.60/x
  3. Step 3: Cross multiply
    12,241.92x = 18,360.72 × 3,477.60
  4. Step 4: Simplify right side
    12,241.92x = 63,851,239.87
  5. Step 5: Solve for x
    x = 63,851,239.87/12,241.92
  6. Step 6: Final answer
    x = 5,215.79

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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.