Home / 11,942.31-17,916.41-5,941.22

Finding the Fourth Proportional to 11,942.31, 17,916.41 and 5,941.22

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Solution

The fourth proportional to 11,942.31, 17,916.41 and 5,941.22 is: 8,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.31 : 17,916.41 = 5,941.22 : x
  2. Step 2: Convert to fraction form
    11,942.31/17,916.41 = 5,941.22/x
  3. Step 3: Cross multiply
    11,942.31x = 17,916.41 × 5,941.22
  4. Step 4: Simplify right side
    11,942.31x = 106,445,393.24
  5. Step 5: Solve for x
    x = 106,445,393.24/11,942.31
  6. Step 6: Final answer
    x = 8,913.30

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1.5x scale

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.