Home / 11,929.19-17,893.78-4,531.89

Finding the Fourth Proportional to 11,929.19, 17,893.78 and 4,531.89

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Solution

The fourth proportional to 11,929.19, 17,893.78 and 4,531.89 is: 6,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.19 : 17,893.78 = 4,531.89 : x
  2. Step 2: Convert to fraction form
    11,929.19/17,893.78 = 4,531.89/x
  3. Step 3: Cross multiply
    11,929.19x = 17,893.78 × 4,531.89
  4. Step 4: Simplify right side
    11,929.19x = 81,092,698.42
  5. Step 5: Solve for x
    x = 81,092,698.42/11,929.19
  6. Step 6: Final answer
    x = 6,797.84

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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.