Home / 12,229.86-16,877.60-6,924.56

Finding the Fourth Proportional to 12,229.86, 16,877.60 and 6,924.56

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Solution

The fourth proportional to 12,229.86, 16,877.60 and 6,924.56 is: 9,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.86 : 16,877.60 = 6,924.56 : x
  2. Step 2: Convert to fraction form
    12,229.86/16,877.60 = 6,924.56/x
  3. Step 3: Cross multiply
    12,229.86x = 16,877.60 × 6,924.56
  4. Step 4: Simplify right side
    12,229.86x = 116,869,953.86
  5. Step 5: Solve for x
    x = 116,869,953.86/12,229.86
  6. Step 6: Final answer
    x = 9,556.12

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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.