Home / 12,375.95-18,564.73-3,610.13

Finding the Fourth Proportional to 12,375.95, 18,564.73 and 3,610.13

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Solution

The fourth proportional to 12,375.95, 18,564.73 and 3,610.13 is: 5,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.95 : 18,564.73 = 3,610.13 : x
  2. Step 2: Convert to fraction form
    12,375.95/18,564.73 = 3,610.13/x
  3. Step 3: Cross multiply
    12,375.95x = 18,564.73 × 3,610.13
  4. Step 4: Simplify right side
    12,375.95x = 67,020,986.87
  5. Step 5: Solve for x
    x = 67,020,986.87/12,375.95
  6. Step 6: Final answer
    x = 5,415.42

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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.