Home / 8,916.41-13,374.81-3,072.26

Finding the Fourth Proportional to 8,916.41, 13,374.81 and 3,072.26

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Solution

The fourth proportional to 8,916.41, 13,374.81 and 3,072.26 is: 4,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.41 : 13,374.81 = 3,072.26 : x
  2. Step 2: Convert to fraction form
    8,916.41/13,374.81 = 3,072.26/x
  3. Step 3: Cross multiply
    8,916.41x = 13,374.81 × 3,072.26
  4. Step 4: Simplify right side
    8,916.41x = 41,090,826.90
  5. Step 5: Solve for x
    x = 41,090,826.90/8,916.41
  6. Step 6: Final answer
    x = 4,608.45

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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.