Home / 9,858.44-13,600.42-5,665.80

Finding the Fourth Proportional to 9,858.44, 13,600.42 and 5,665.80

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Solution

The fourth proportional to 9,858.44, 13,600.42 and 5,665.80 is: 7,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.44 : 13,600.42 = 5,665.80 : x
  2. Step 2: Convert to fraction form
    9,858.44/13,600.42 = 5,665.80/x
  3. Step 3: Cross multiply
    9,858.44x = 13,600.42 × 5,665.80
  4. Step 4: Simplify right side
    9,858.44x = 77,057,259.64
  5. Step 5: Solve for x
    x = 77,057,259.64/9,858.44
  6. Step 6: Final answer
    x = 7,816.37

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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.