Home / 11,129.81-15,359.33-6,093.95

Finding the Fourth Proportional to 11,129.81, 15,359.33 and 6,093.95

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Solution

The fourth proportional to 11,129.81, 15,359.33 and 6,093.95 is: 8,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.81 : 15,359.33 = 6,093.95 : x
  2. Step 2: Convert to fraction form
    11,129.81/15,359.33 = 6,093.95/x
  3. Step 3: Cross multiply
    11,129.81x = 15,359.33 × 6,093.95
  4. Step 4: Simplify right side
    11,129.81x = 93,598,989.05
  5. Step 5: Solve for x
    x = 93,598,989.05/11,129.81
  6. Step 6: Final answer
    x = 8,409.76

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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.