Home / 12,709.66-19,064.39-3,824.95

Finding the Fourth Proportional to 12,709.66, 19,064.39 and 3,824.95

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Solution

The fourth proportional to 12,709.66, 19,064.39 and 3,824.95 is: 5,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.66 : 19,064.39 = 3,824.95 : x
  2. Step 2: Convert to fraction form
    12,709.66/19,064.39 = 3,824.95/x
  3. Step 3: Cross multiply
    12,709.66x = 19,064.39 × 3,824.95
  4. Step 4: Simplify right side
    12,709.66x = 72,920,338.53
  5. Step 5: Solve for x
    x = 72,920,338.53/12,709.66
  6. Step 6: Final answer
    x = 5,737.39

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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.