Home / 12,248.66-18,371.99-3,926.43

Finding the Fourth Proportional to 12,248.66, 18,371.99 and 3,926.43

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Solution

The fourth proportional to 12,248.66, 18,371.99 and 3,926.43 is: 5,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.66 : 18,371.99 = 3,926.43 : x
  2. Step 2: Convert to fraction form
    12,248.66/18,371.99 = 3,926.43/x
  3. Step 3: Cross multiply
    12,248.66x = 18,371.99 × 3,926.43
  4. Step 4: Simplify right side
    12,248.66x = 72,136,313.06
  5. Step 5: Solve for x
    x = 72,136,313.06/12,248.66
  6. Step 6: Final answer
    x = 5,889.33

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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.