Home / 12,452.13-17,174.63-8,675.51

Finding the Fourth Proportional to 12,452.13, 17,174.63 and 8,675.51

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Solution

The fourth proportional to 12,452.13, 17,174.63 and 8,675.51 is: 11,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.13 : 17,174.63 = 8,675.51 : x
  2. Step 2: Convert to fraction form
    12,452.13/17,174.63 = 8,675.51/x
  3. Step 3: Cross multiply
    12,452.13x = 17,174.63 × 8,675.51
  4. Step 4: Simplify right side
    12,452.13x = 148,998,610.13
  5. Step 5: Solve for x
    x = 148,998,610.13/12,452.13
  6. Step 6: Final answer
    x = 11,965.71

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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.