Home / 12,206.75-16,845.67-6,901.45

Finding the Fourth Proportional to 12,206.75, 16,845.67 and 6,901.45

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Solution

The fourth proportional to 12,206.75, 16,845.67 and 6,901.45 is: 9,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.75 : 16,845.67 = 6,901.45 : x
  2. Step 2: Convert to fraction form
    12,206.75/16,845.67 = 6,901.45/x
  3. Step 3: Cross multiply
    12,206.75x = 16,845.67 × 6,901.45
  4. Step 4: Simplify right side
    12,206.75x = 116,259,610.49
  5. Step 5: Solve for x
    x = 116,259,610.49/12,206.75
  6. Step 6: Final answer
    x = 9,524.21

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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.