Home / 10,440.69-15,657.14-4,198.60

Finding the Fourth Proportional to 10,440.69, 15,657.14 and 4,198.60

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Solution

The fourth proportional to 10,440.69, 15,657.14 and 4,198.60 is: 6,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.69 : 15,657.14 = 4,198.60 : x
  2. Step 2: Convert to fraction form
    10,440.69/15,657.14 = 4,198.60/x
  3. Step 3: Cross multiply
    10,440.69x = 15,657.14 × 4,198.60
  4. Step 4: Simplify right side
    10,440.69x = 65,738,068.00
  5. Step 5: Solve for x
    x = 65,738,068.00/10,440.69
  6. Step 6: Final answer
    x = 6,296.33

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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.