Home / 12,084.94-18,125.28-3,200.35

Finding the Fourth Proportional to 12,084.94, 18,125.28 and 3,200.35

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Solution

The fourth proportional to 12,084.94, 18,125.28 and 3,200.35 is: 4,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.94 : 18,125.28 = 3,200.35 : x
  2. Step 2: Convert to fraction form
    12,084.94/18,125.28 = 3,200.35/x
  3. Step 3: Cross multiply
    12,084.94x = 18,125.28 × 3,200.35
  4. Step 4: Simplify right side
    12,084.94x = 58,007,239.85
  5. Step 5: Solve for x
    x = 58,007,239.85/12,084.94
  6. Step 6: Final answer
    x = 4,799.96

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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.