Home / 12,089.82-18,133.86-3,204.95

Finding the Fourth Proportional to 12,089.82, 18,133.86 and 3,204.95

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Solution

The fourth proportional to 12,089.82, 18,133.86 and 3,204.95 is: 4,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.82 : 18,133.86 = 3,204.95 : x
  2. Step 2: Convert to fraction form
    12,089.82/18,133.86 = 3,204.95/x
  3. Step 3: Cross multiply
    12,089.82x = 18,133.86 × 3,204.95
  4. Step 4: Simplify right side
    12,089.82x = 58,118,114.61
  5. Step 5: Solve for x
    x = 58,118,114.61/12,089.82
  6. Step 6: Final answer
    x = 4,807.19

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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.