Home / 11,138.64-16,675.26-5,861.16

Finding the Fourth Proportional to 11,138.64, 16,675.26 and 5,861.16

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Solution

The fourth proportional to 11,138.64, 16,675.26 and 5,861.16 is: 8,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.64 : 16,675.26 = 5,861.16 : x
  2. Step 2: Convert to fraction form
    11,138.64/16,675.26 = 5,861.16/x
  3. Step 3: Cross multiply
    11,138.64x = 16,675.26 × 5,861.16
  4. Step 4: Simplify right side
    11,138.64x = 97,736,366.90
  5. Step 5: Solve for x
    x = 97,736,366.90/11,138.64
  6. Step 6: Final answer
    x = 8,774.53

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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.