Home / 12,101.19-18,143.49-6,166.59

Finding the Fourth Proportional to 12,101.19, 18,143.49 and 6,166.59

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Solution

The fourth proportional to 12,101.19, 18,143.49 and 6,166.59 is: 9,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.19 : 18,143.49 = 6,166.59 : x
  2. Step 2: Convert to fraction form
    12,101.19/18,143.49 = 6,166.59/x
  3. Step 3: Cross multiply
    12,101.19x = 18,143.49 × 6,166.59
  4. Step 4: Simplify right side
    12,101.19x = 111,883,464.00
  5. Step 5: Solve for x
    x = 111,883,464.00/12,101.19
  6. Step 6: Final answer
    x = 9,245.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.