Home / 11,620.87-17,403.59-6,348.01

Finding the Fourth Proportional to 11,620.87, 17,403.59 and 6,348.01

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Solution

The fourth proportional to 11,620.87, 17,403.59 and 6,348.01 is: 9,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.87 : 17,403.59 = 6,348.01 : x
  2. Step 2: Convert to fraction form
    11,620.87/17,403.59 = 6,348.01/x
  3. Step 3: Cross multiply
    11,620.87x = 17,403.59 × 6,348.01
  4. Step 4: Simplify right side
    11,620.87x = 110,478,163.36
  5. Step 5: Solve for x
    x = 110,478,163.36/11,620.87
  6. Step 6: Final answer
    x = 9,506.88

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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.