Home / 12,084.21-16,675.09-6,777.99

Finding the Fourth Proportional to 12,084.21, 16,675.09 and 6,777.99

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Solution

The fourth proportional to 12,084.21, 16,675.09 and 6,777.99 is: 9,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.21 : 16,675.09 = 6,777.99 : x
  2. Step 2: Convert to fraction form
    12,084.21/16,675.09 = 6,777.99/x
  3. Step 3: Cross multiply
    12,084.21x = 16,675.09 × 6,777.99
  4. Step 4: Simplify right side
    12,084.21x = 113,023,576.32
  5. Step 5: Solve for x
    x = 113,023,576.32/12,084.21
  6. Step 6: Final answer
    x = 9,353.00

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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.