Home / 12,060.63-18,092.70-4,268.79

Finding the Fourth Proportional to 12,060.63, 18,092.70 and 4,268.79

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Solution

The fourth proportional to 12,060.63, 18,092.70 and 4,268.79 is: 6,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.63 : 18,092.70 = 4,268.79 : x
  2. Step 2: Convert to fraction form
    12,060.63/18,092.70 = 4,268.79/x
  3. Step 3: Cross multiply
    12,060.63x = 18,092.70 × 4,268.79
  4. Step 4: Simplify right side
    12,060.63x = 77,233,936.83
  5. Step 5: Solve for x
    x = 77,233,936.83/12,060.63
  6. Step 6: Final answer
    x = 6,403.81

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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.