Home / 12,710.75-19,062.28-3,823.73

Finding the Fourth Proportional to 12,710.75, 19,062.28 and 3,823.73

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Solution

The fourth proportional to 12,710.75, 19,062.28 and 3,823.73 is: 5,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.75 : 19,062.28 = 3,823.73 : x
  2. Step 2: Convert to fraction form
    12,710.75/19,062.28 = 3,823.73/x
  3. Step 3: Cross multiply
    12,710.75x = 19,062.28 × 3,823.73
  4. Step 4: Simplify right side
    12,710.75x = 72,888,897.47
  5. Step 5: Solve for x
    x = 72,888,897.47/12,710.75
  6. Step 6: Final answer
    x = 5,734.43

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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.