Home / 12,083.40-16,674.66-6,778.44

Finding the Fourth Proportional to 12,083.40, 16,674.66 and 6,778.44

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Solution

The fourth proportional to 12,083.40, 16,674.66 and 6,778.44 is: 9,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.40 : 16,674.66 = 6,778.44 : x
  2. Step 2: Convert to fraction form
    12,083.40/16,674.66 = 6,778.44/x
  3. Step 3: Cross multiply
    12,083.40x = 16,674.66 × 6,778.44
  4. Step 4: Simplify right side
    12,083.40x = 113,028,182.33
  5. Step 5: Solve for x
    x = 113,028,182.33/12,083.40
  6. Step 6: Final answer
    x = 9,354.00

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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.