Home / 11,372.48-17,064.24-8,579.54

Finding the Fourth Proportional to 11,372.48, 17,064.24 and 8,579.54

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Solution

The fourth proportional to 11,372.48, 17,064.24 and 8,579.54 is: 12,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.48 : 17,064.24 = 8,579.54 : x
  2. Step 2: Convert to fraction form
    11,372.48/17,064.24 = 8,579.54/x
  3. Step 3: Cross multiply
    11,372.48x = 17,064.24 × 8,579.54
  4. Step 4: Simplify right side
    11,372.48x = 146,403,329.65
  5. Step 5: Solve for x
    x = 146,403,329.65/11,372.48
  6. Step 6: Final answer
    x = 12,873.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.