Home / 12,027.78-16,596.36-6,721.74

Finding the Fourth Proportional to 12,027.78, 16,596.36 and 6,721.74

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Solution

The fourth proportional to 12,027.78, 16,596.36 and 6,721.74 is: 9,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.78 : 16,596.36 = 6,721.74 : x
  2. Step 2: Convert to fraction form
    12,027.78/16,596.36 = 6,721.74/x
  3. Step 3: Cross multiply
    12,027.78x = 16,596.36 × 6,721.74
  4. Step 4: Simplify right side
    12,027.78x = 111,556,416.87
  5. Step 5: Solve for x
    x = 111,556,416.87/12,027.78
  6. Step 6: Final answer
    x = 9,274.90

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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.