Home / 12,813.75-19,222.95-5,797.07

Finding the Fourth Proportional to 12,813.75, 19,222.95 and 5,797.07

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Solution

The fourth proportional to 12,813.75, 19,222.95 and 5,797.07 is: 8,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.75 : 19,222.95 = 5,797.07 : x
  2. Step 2: Convert to fraction form
    12,813.75/19,222.95 = 5,797.07/x
  3. Step 3: Cross multiply
    12,813.75x = 19,222.95 × 5,797.07
  4. Step 4: Simplify right side
    12,813.75x = 111,436,738.70
  5. Step 5: Solve for x
    x = 111,436,738.70/12,813.75
  6. Step 6: Final answer
    x = 8,696.65

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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.