Home / 11,406.08-15,741.44-6,371.04

Finding the Fourth Proportional to 11,406.08, 15,741.44 and 6,371.04

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Solution

The fourth proportional to 11,406.08, 15,741.44 and 6,371.04 is: 8,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.08 : 15,741.44 = 6,371.04 : x
  2. Step 2: Convert to fraction form
    11,406.08/15,741.44 = 6,371.04/x
  3. Step 3: Cross multiply
    11,406.08x = 15,741.44 × 6,371.04
  4. Step 4: Simplify right side
    11,406.08x = 100,289,343.90
  5. Step 5: Solve for x
    x = 100,289,343.90/11,406.08
  6. Step 6: Final answer
    x = 8,792.62

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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.