Home / 12,135.09-16,747.13-8,094.93

Finding the Fourth Proportional to 12,135.09, 16,747.13 and 8,094.93

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Solution

The fourth proportional to 12,135.09, 16,747.13 and 8,094.93 is: 11,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.09 : 16,747.13 = 8,094.93 : x
  2. Step 2: Convert to fraction form
    12,135.09/16,747.13 = 8,094.93/x
  3. Step 3: Cross multiply
    12,135.09x = 16,747.13 × 8,094.93
  4. Step 4: Simplify right side
    12,135.09x = 135,566,804.58
  5. Step 5: Solve for x
    x = 135,566,804.58/12,135.09
  6. Step 6: Final answer
    x = 11,171.47

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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.