Home / 12,282.21-18,424.47-3,397.18

Finding the Fourth Proportional to 12,282.21, 18,424.47 and 3,397.18

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Solution

The fourth proportional to 12,282.21, 18,424.47 and 3,397.18 is: 5,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.21 : 18,424.47 = 3,397.18 : x
  2. Step 2: Convert to fraction form
    12,282.21/18,424.47 = 3,397.18/x
  3. Step 3: Cross multiply
    12,282.21x = 18,424.47 × 3,397.18
  4. Step 4: Simplify right side
    12,282.21x = 62,591,240.99
  5. Step 5: Solve for x
    x = 62,591,240.99/12,282.21
  6. Step 6: Final answer
    x = 5,096.09

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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.