Home / 11,354.58-15,668.24-8,372.03

Finding the Fourth Proportional to 11,354.58, 15,668.24 and 8,372.03

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Solution

The fourth proportional to 11,354.58, 15,668.24 and 8,372.03 is: 11,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.58 : 15,668.24 = 8,372.03 : x
  2. Step 2: Convert to fraction form
    11,354.58/15,668.24 = 8,372.03/x
  3. Step 3: Cross multiply
    11,354.58x = 15,668.24 × 8,372.03
  4. Step 4: Simplify right side
    11,354.58x = 131,174,855.13
  5. Step 5: Solve for x
    x = 131,174,855.13/11,354.58
  6. Step 6: Final answer
    x = 11,552.59

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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.