Home / 12,256.29-16,930.76-11,801.12

Finding the Fourth Proportional to 12,256.29, 16,930.76 and 11,801.12

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Solution

The fourth proportional to 12,256.29, 16,930.76 and 11,801.12 is: 16,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.29 : 16,930.76 = 11,801.12 : x
  2. Step 2: Convert to fraction form
    12,256.29/16,930.76 = 11,801.12/x
  3. Step 3: Cross multiply
    12,256.29x = 16,930.76 × 11,801.12
  4. Step 4: Simplify right side
    12,256.29x = 199,801,786.79
  5. Step 5: Solve for x
    x = 199,801,786.79/12,256.29
  6. Step 6: Final answer
    x = 16,301.98

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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.