Home / 12,372.95-18,560.34-3,608.09

Finding the Fourth Proportional to 12,372.95, 18,560.34 and 3,608.09

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Solution

The fourth proportional to 12,372.95, 18,560.34 and 3,608.09 is: 5,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.95 : 18,560.34 = 3,608.09 : x
  2. Step 2: Convert to fraction form
    12,372.95/18,560.34 = 3,608.09/x
  3. Step 3: Cross multiply
    12,372.95x = 18,560.34 × 3,608.09
  4. Step 4: Simplify right side
    12,372.95x = 66,967,458.35
  5. Step 5: Solve for x
    x = 66,967,458.35/12,372.95
  6. Step 6: Final answer
    x = 5,412.41

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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.