Home / 12,160.02-18,241.07-3,394.95

Finding the Fourth Proportional to 12,160.02, 18,241.07 and 3,394.95

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Solution

The fourth proportional to 12,160.02, 18,241.07 and 3,394.95 is: 5,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.02 : 18,241.07 = 3,394.95 : x
  2. Step 2: Convert to fraction form
    12,160.02/18,241.07 = 3,394.95/x
  3. Step 3: Cross multiply
    12,160.02x = 18,241.07 × 3,394.95
  4. Step 4: Simplify right side
    12,160.02x = 61,927,435.22
  5. Step 5: Solve for x
    x = 61,927,435.22/12,160.02
  6. Step 6: Final answer
    x = 5,092.71

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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.