Home / 12,758.22-19,134.25-4,860.41

Finding the Fourth Proportional to 12,758.22, 19,134.25 and 4,860.41

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Solution

The fourth proportional to 12,758.22, 19,134.25 and 4,860.41 is: 7,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.22 : 19,134.25 = 4,860.41 : x
  2. Step 2: Convert to fraction form
    12,758.22/19,134.25 = 4,860.41/x
  3. Step 3: Cross multiply
    12,758.22x = 19,134.25 × 4,860.41
  4. Step 4: Simplify right side
    12,758.22x = 93,000,192.22
  5. Step 5: Solve for x
    x = 93,000,192.22/12,758.22
  6. Step 6: Final answer
    x = 7,289.43

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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.