Home / 12,150.13-16,766.83-6,844.99

Finding the Fourth Proportional to 12,150.13, 16,766.83 and 6,844.99

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Solution

The fourth proportional to 12,150.13, 16,766.83 and 6,844.99 is: 9,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.13 : 16,766.83 = 6,844.99 : x
  2. Step 2: Convert to fraction form
    12,150.13/16,766.83 = 6,844.99/x
  3. Step 3: Cross multiply
    12,150.13x = 16,766.83 × 6,844.99
  4. Step 4: Simplify right side
    12,150.13x = 114,768,783.68
  5. Step 5: Solve for x
    x = 114,768,783.68/12,150.13
  6. Step 6: Final answer
    x = 9,445.89

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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.