Home / 11,138.67-15,370.77-6,101.95

Finding the Fourth Proportional to 11,138.67, 15,370.77 and 6,101.95

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Solution

The fourth proportional to 11,138.67, 15,370.77 and 6,101.95 is: 8,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.67 : 15,370.77 = 6,101.95 : x
  2. Step 2: Convert to fraction form
    11,138.67/15,370.77 = 6,101.95/x
  3. Step 3: Cross multiply
    11,138.67x = 15,370.77 × 6,101.95
  4. Step 4: Simplify right side
    11,138.67x = 93,791,670.00
  5. Step 5: Solve for x
    x = 93,791,670.00/11,138.67
  6. Step 6: Final answer
    x = 8,420.37

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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.