Home / 9,040.20-13,560-3,196.68

Finding the Fourth Proportional to 9,040.20, 13,560 and 3,196.68

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Solution

The fourth proportional to 9,040.20, 13,560 and 3,196.68 is: 4,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.20 : 13,560 = 3,196.68 : x
  2. Step 2: Convert to fraction form
    9,040.20/13,560 = 3,196.68/x
  3. Step 3: Cross multiply
    9,040.20x = 13,560 × 3,196.68
  4. Step 4: Simplify right side
    9,040.20x = 43,346,980.80
  5. Step 5: Solve for x
    x = 43,346,980.80/9,040.20
  6. Step 6: Final answer
    x = 4,794.91

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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.