Home / 10,628.20-14,668.26-5,914.60

Finding the Fourth Proportional to 10,628.20, 14,668.26 and 5,914.60

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Solution

The fourth proportional to 10,628.20, 14,668.26 and 5,914.60 is: 8,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.20 : 14,668.26 = 5,914.60 : x
  2. Step 2: Convert to fraction form
    10,628.20/14,668.26 = 5,914.60/x
  3. Step 3: Cross multiply
    10,628.20x = 14,668.26 × 5,914.60
  4. Step 4: Simplify right side
    10,628.20x = 86,756,890.60
  5. Step 5: Solve for x
    x = 86,756,890.60/10,628.20
  6. Step 6: Final answer
    x = 8,162.90

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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.