Home / 11,513.57-17,270.35-3,193.59

Finding the Fourth Proportional to 11,513.57, 17,270.35 and 3,193.59

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Solution

The fourth proportional to 11,513.57, 17,270.35 and 3,193.59 is: 4,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.57 : 17,270.35 = 3,193.59 : x
  2. Step 2: Convert to fraction form
    11,513.57/17,270.35 = 3,193.59/x
  3. Step 3: Cross multiply
    11,513.57x = 17,270.35 × 3,193.59
  4. Step 4: Simplify right side
    11,513.57x = 55,154,358.79
  5. Step 5: Solve for x
    x = 55,154,358.79/11,513.57
  6. Step 6: Final answer
    x = 4,790.38

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Double scale
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Similar ratio
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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.