Home / 12,193.75-16,827.38-6,604.75

Finding the Fourth Proportional to 12,193.75, 16,827.38 and 6,604.75

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Solution

The fourth proportional to 12,193.75, 16,827.38 and 6,604.75 is: 9,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.75 : 16,827.38 = 6,604.75 : x
  2. Step 2: Convert to fraction form
    12,193.75/16,827.38 = 6,604.75/x
  3. Step 3: Cross multiply
    12,193.75x = 16,827.38 × 6,604.75
  4. Step 4: Simplify right side
    12,193.75x = 111,140,638.06
  5. Step 5: Solve for x
    x = 111,140,638.06/12,193.75
  6. Step 6: Final answer
    x = 9,114.56

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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.