Home / 8,372.36-11,553.06-5,015.12

Finding the Fourth Proportional to 8,372.36, 11,553.06 and 5,015.12

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Solution

The fourth proportional to 8,372.36, 11,553.06 and 5,015.12 is: 6,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.36 : 11,553.06 = 5,015.12 : x
  2. Step 2: Convert to fraction form
    8,372.36/11,553.06 = 5,015.12/x
  3. Step 3: Cross multiply
    8,372.36x = 11,553.06 × 5,015.12
  4. Step 4: Simplify right side
    8,372.36x = 57,939,982.27
  5. Step 5: Solve for x
    x = 57,939,982.27/8,372.36
  6. Step 6: Final answer
    x = 6,920.39

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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.