Home / 12,808.92-19,213.36-5,792.26

Finding the Fourth Proportional to 12,808.92, 19,213.36 and 5,792.26

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Solution

The fourth proportional to 12,808.92, 19,213.36 and 5,792.26 is: 8,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.92 : 19,213.36 = 5,792.26 : x
  2. Step 2: Convert to fraction form
    12,808.92/19,213.36 = 5,792.26/x
  3. Step 3: Cross multiply
    12,808.92x = 19,213.36 × 5,792.26
  4. Step 4: Simplify right side
    12,808.92x = 111,288,776.59
  5. Step 5: Solve for x
    x = 111,288,776.59/12,808.92
  6. Step 6: Final answer
    x = 8,688.38

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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.