Home / 11,164.44-15,407.13-6,129.14

Finding the Fourth Proportional to 11,164.44, 15,407.13 and 6,129.14

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Solution

The fourth proportional to 11,164.44, 15,407.13 and 6,129.14 is: 8,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.44 : 15,407.13 = 6,129.14 : x
  2. Step 2: Convert to fraction form
    11,164.44/15,407.13 = 6,129.14/x
  3. Step 3: Cross multiply
    11,164.44x = 15,407.13 × 6,129.14
  4. Step 4: Simplify right side
    11,164.44x = 94,432,379.73
  5. Step 5: Solve for x
    x = 94,432,379.73/11,164.44
  6. Step 6: Final answer
    x = 8,458.32

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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.