Home / 10,089.36-13,921.22-5,896.80

Finding the Fourth Proportional to 10,089.36, 13,921.22 and 5,896.80

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Solution

The fourth proportional to 10,089.36, 13,921.22 and 5,896.80 is: 8,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.36 : 13,921.22 = 5,896.80 : x
  2. Step 2: Convert to fraction form
    10,089.36/13,921.22 = 5,896.80/x
  3. Step 3: Cross multiply
    10,089.36x = 13,921.22 × 5,896.80
  4. Step 4: Simplify right side
    10,089.36x = 82,090,650.10
  5. Step 5: Solve for x
    x = 82,090,650.10/10,089.36
  6. Step 6: Final answer
    x = 8,136.36

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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.