Home / 12,194.80-16,828.58-6,889.84

Finding the Fourth Proportional to 12,194.80, 16,828.58 and 6,889.84

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Solution

The fourth proportional to 12,194.80, 16,828.58 and 6,889.84 is: 9,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.80 : 16,828.58 = 6,889.84 : x
  2. Step 2: Convert to fraction form
    12,194.80/16,828.58 = 6,889.84/x
  3. Step 3: Cross multiply
    12,194.80x = 16,828.58 × 6,889.84
  4. Step 4: Simplify right side
    12,194.80x = 115,946,223.63
  5. Step 5: Solve for x
    x = 115,946,223.63/12,194.80
  6. Step 6: Final answer
    x = 9,507.84

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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.