Home / 12,974.50-19,462.97-4,207.06

Finding the Fourth Proportional to 12,974.50, 19,462.97 and 4,207.06

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Solution

The fourth proportional to 12,974.50, 19,462.97 and 4,207.06 is: 6,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.50 : 19,462.97 = 4,207.06 : x
  2. Step 2: Convert to fraction form
    12,974.50/19,462.97 = 4,207.06/x
  3. Step 3: Cross multiply
    12,974.50x = 19,462.97 × 4,207.06
  4. Step 4: Simplify right side
    12,974.50x = 81,881,882.57
  5. Step 5: Solve for x
    x = 81,881,882.57/12,974.50
  6. Step 6: Final answer
    x = 6,310.99

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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.