Home / 9,563.70-13,195.74-5,786.78

Finding the Fourth Proportional to 9,563.70, 13,195.74 and 5,786.78

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Solution

The fourth proportional to 9,563.70, 13,195.74 and 5,786.78 is: 7,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.70 : 13,195.74 = 5,786.78 : x
  2. Step 2: Convert to fraction form
    9,563.70/13,195.74 = 5,786.78/x
  3. Step 3: Cross multiply
    9,563.70x = 13,195.74 × 5,786.78
  4. Step 4: Simplify right side
    9,563.70x = 76,360,778.34
  5. Step 5: Solve for x
    x = 76,360,778.34/9,563.70
  6. Step 6: Final answer
    x = 7,984.44

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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.