Home / 12,036.09-18,049.64-4,136.36

Finding the Fourth Proportional to 12,036.09, 18,049.64 and 4,136.36

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Solution

The fourth proportional to 12,036.09, 18,049.64 and 4,136.36 is: 6,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.09 : 18,049.64 = 4,136.36 : x
  2. Step 2: Convert to fraction form
    12,036.09/18,049.64 = 4,136.36/x
  3. Step 3: Cross multiply
    12,036.09x = 18,049.64 × 4,136.36
  4. Step 4: Simplify right side
    12,036.09x = 74,659,697.98
  5. Step 5: Solve for x
    x = 74,659,697.98/12,036.09
  6. Step 6: Final answer
    x = 6,202.99

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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.