Home / 12,452.16-17,190.26-8,209.38

Finding the Fourth Proportional to 12,452.16, 17,190.26 and 8,209.38

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Solution

The fourth proportional to 12,452.16, 17,190.26 and 8,209.38 is: 11,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.16 : 17,190.26 = 8,209.38 : x
  2. Step 2: Convert to fraction form
    12,452.16/17,190.26 = 8,209.38/x
  3. Step 3: Cross multiply
    12,452.16x = 17,190.26 × 8,209.38
  4. Step 4: Simplify right side
    12,452.16x = 141,121,430.84
  5. Step 5: Solve for x
    x = 141,121,430.84/12,452.16
  6. Step 6: Final answer
    x = 11,333.09

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Half scale
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Double scale
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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.