Home / 8,004.36-12,012.45-3,846.78

Finding the Fourth Proportional to 8,004.36, 12,012.45 and 3,846.78

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Solution

The fourth proportional to 8,004.36, 12,012.45 and 3,846.78 is: 5,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.36 : 12,012.45 = 3,846.78 : x
  2. Step 2: Convert to fraction form
    8,004.36/12,012.45 = 3,846.78/x
  3. Step 3: Cross multiply
    8,004.36x = 12,012.45 × 3,846.78
  4. Step 4: Simplify right side
    8,004.36x = 46,209,252.41
  5. Step 5: Solve for x
    x = 46,209,252.41/8,004.36
  6. Step 6: Final answer
    x = 5,773.01

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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.