Home / 12,608.85-18,916.08-3,844.45

Finding the Fourth Proportional to 12,608.85, 18,916.08 and 3,844.45

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Solution

The fourth proportional to 12,608.85, 18,916.08 and 3,844.45 is: 5,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.85 : 18,916.08 = 3,844.45 : x
  2. Step 2: Convert to fraction form
    12,608.85/18,916.08 = 3,844.45/x
  3. Step 3: Cross multiply
    12,608.85x = 18,916.08 × 3,844.45
  4. Step 4: Simplify right side
    12,608.85x = 72,721,829.18
  5. Step 5: Solve for x
    x = 72,721,829.18/12,608.85
  6. Step 6: Final answer
    x = 5,767.52

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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.