Home / 12,136.08-18,203.51-3,371.07

Finding the Fourth Proportional to 12,136.08, 18,203.51 and 3,371.07

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Solution

The fourth proportional to 12,136.08, 18,203.51 and 3,371.07 is: 5,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.08 : 18,203.51 = 3,371.07 : x
  2. Step 2: Convert to fraction form
    12,136.08/18,203.51 = 3,371.07/x
  3. Step 3: Cross multiply
    12,136.08x = 18,203.51 × 3,371.07
  4. Step 4: Simplify right side
    12,136.08x = 61,365,314.88
  5. Step 5: Solve for x
    x = 61,365,314.88/12,136.08
  6. Step 6: Final answer
    x = 5,056.44

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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.