Home / 12,644.51-18,972.33-6,794.28

Finding the Fourth Proportional to 12,644.51, 18,972.33 and 6,794.28

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Solution

The fourth proportional to 12,644.51, 18,972.33 and 6,794.28 is: 10,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.51 : 18,972.33 = 6,794.28 : x
  2. Step 2: Convert to fraction form
    12,644.51/18,972.33 = 6,794.28/x
  3. Step 3: Cross multiply
    12,644.51x = 18,972.33 × 6,794.28
  4. Step 4: Simplify right side
    12,644.51x = 128,903,296.79
  5. Step 5: Solve for x
    x = 128,903,296.79/12,644.51
  6. Step 6: Final answer
    x = 10,194.41

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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.