Home / 11,883.66-16,401.36-9,046.50

Finding the Fourth Proportional to 11,883.66, 16,401.36 and 9,046.50

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Solution

The fourth proportional to 11,883.66, 16,401.36 and 9,046.50 is: 12,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.66 : 16,401.36 = 9,046.50 : x
  2. Step 2: Convert to fraction form
    11,883.66/16,401.36 = 9,046.50/x
  3. Step 3: Cross multiply
    11,883.66x = 16,401.36 × 9,046.50
  4. Step 4: Simplify right side
    11,883.66x = 148,374,903.24
  5. Step 5: Solve for x
    x = 148,374,903.24/11,883.66
  6. Step 6: Final answer
    x = 12,485.62

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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.