Home / 9,769.26-13,481.70-5,577.50

Finding the Fourth Proportional to 9,769.26, 13,481.70 and 5,577.50

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Solution

The fourth proportional to 9,769.26, 13,481.70 and 5,577.50 is: 7,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.26 : 13,481.70 = 5,577.50 : x
  2. Step 2: Convert to fraction form
    9,769.26/13,481.70 = 5,577.50/x
  3. Step 3: Cross multiply
    9,769.26x = 13,481.70 × 5,577.50
  4. Step 4: Simplify right side
    9,769.26x = 75,194,181.75
  5. Step 5: Solve for x
    x = 75,194,181.75/9,769.26
  6. Step 6: Final answer
    x = 7,697.02

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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.