Home / 11,449.10-15,793.31-6,668.48

Finding the Fourth Proportional to 11,449.10, 15,793.31 and 6,668.48

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Solution

The fourth proportional to 11,449.10, 15,793.31 and 6,668.48 is: 9,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.10 : 15,793.31 = 6,668.48 : x
  2. Step 2: Convert to fraction form
    11,449.10/15,793.31 = 6,668.48/x
  3. Step 3: Cross multiply
    11,449.10x = 15,793.31 × 6,668.48
  4. Step 4: Simplify right side
    11,449.10x = 105,317,428.02
  5. Step 5: Solve for x
    x = 105,317,428.02/11,449.10
  6. Step 6: Final answer
    x = 9,198.75

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1.5x scale

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.