Home / 11,159.37-16,723.56-4,910.02

Finding the Fourth Proportional to 11,159.37, 16,723.56 and 4,910.02

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Solution

The fourth proportional to 11,159.37, 16,723.56 and 4,910.02 is: 7,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.37 : 16,723.56 = 4,910.02 : x
  2. Step 2: Convert to fraction form
    11,159.37/16,723.56 = 4,910.02/x
  3. Step 3: Cross multiply
    11,159.37x = 16,723.56 × 4,910.02
  4. Step 4: Simplify right side
    11,159.37x = 82,112,990.67
  5. Step 5: Solve for x
    x = 82,112,990.67/11,159.37
  6. Step 6: Final answer
    x = 7,358.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.