Home / 11,129.40-15,358.36-6,093.53

Finding the Fourth Proportional to 11,129.40, 15,358.36 and 6,093.53

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Solution

The fourth proportional to 11,129.40, 15,358.36 and 6,093.53 is: 8,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.40 : 15,358.36 = 6,093.53 : x
  2. Step 2: Convert to fraction form
    11,129.40/15,358.36 = 6,093.53/x
  3. Step 3: Cross multiply
    11,129.40x = 15,358.36 × 6,093.53
  4. Step 4: Simplify right side
    11,129.40x = 93,586,565.85
  5. Step 5: Solve for x
    x = 93,586,565.85/11,129.40
  6. Step 6: Final answer
    x = 8,408.95

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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.