Home / 12,084.12-16,674.93-6,778.62

Finding the Fourth Proportional to 12,084.12, 16,674.93 and 6,778.62

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Solution

The fourth proportional to 12,084.12, 16,674.93 and 6,778.62 is: 9,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.12 : 16,674.93 = 6,778.62 : x
  2. Step 2: Convert to fraction form
    12,084.12/16,674.93 = 6,778.62/x
  3. Step 3: Cross multiply
    12,084.12x = 16,674.93 × 6,778.62
  4. Step 4: Simplify right side
    12,084.12x = 113,033,014.00
  5. Step 5: Solve for x
    x = 113,033,014.00/12,084.12
  6. Step 6: Final answer
    x = 9,353.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.