Home / 9,769.28-13,481.56-5,293.08

Finding the Fourth Proportional to 9,769.28, 13,481.56 and 5,293.08

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Solution

The fourth proportional to 9,769.28, 13,481.56 and 5,293.08 is: 7,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.28 : 13,481.56 = 5,293.08 : x
  2. Step 2: Convert to fraction form
    9,769.28/13,481.56 = 5,293.08/x
  3. Step 3: Cross multiply
    9,769.28x = 13,481.56 × 5,293.08
  4. Step 4: Simplify right side
    9,769.28x = 71,358,975.60
  5. Step 5: Solve for x
    x = 71,358,975.60/9,769.28
  6. Step 6: Final answer
    x = 7,304.43

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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.