Home / 8,040.41-12,069.51-6,072.11

Finding the Fourth Proportional to 8,040.41, 12,069.51 and 6,072.11

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Solution

The fourth proportional to 8,040.41, 12,069.51 and 6,072.11 is: 9,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.41 : 12,069.51 = 6,072.11 : x
  2. Step 2: Convert to fraction form
    8,040.41/12,069.51 = 6,072.11/x
  3. Step 3: Cross multiply
    8,040.41x = 12,069.51 × 6,072.11
  4. Step 4: Simplify right side
    8,040.41x = 73,287,422.40
  5. Step 5: Solve for x
    x = 73,287,422.40/8,040.41
  6. Step 6: Final answer
    x = 9,114.88

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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.