Home / 12,256.41-16,908.44-8,169.15

Finding the Fourth Proportional to 12,256.41, 16,908.44 and 8,169.15

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Solution

The fourth proportional to 12,256.41, 16,908.44 and 8,169.15 is: 11,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.41 : 16,908.44 = 8,169.15 : x
  2. Step 2: Convert to fraction form
    12,256.41/16,908.44 = 8,169.15/x
  3. Step 3: Cross multiply
    12,256.41x = 16,908.44 × 8,169.15
  4. Step 4: Simplify right side
    12,256.41x = 138,127,541.78
  5. Step 5: Solve for x
    x = 138,127,541.78/12,256.41
  6. Step 6: Final answer
    x = 11,269.82

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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.