Home / 11,880.18-17,824.29-4,486.77

Finding the Fourth Proportional to 11,880.18, 17,824.29 and 4,486.77

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Solution

The fourth proportional to 11,880.18, 17,824.29 and 4,486.77 is: 6,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.18 : 17,824.29 = 4,486.77 : x
  2. Step 2: Convert to fraction form
    11,880.18/17,824.29 = 4,486.77/x
  3. Step 3: Cross multiply
    11,880.18x = 17,824.29 × 4,486.77
  4. Step 4: Simplify right side
    11,880.18x = 79,973,489.64
  5. Step 5: Solve for x
    x = 79,973,489.64/11,880.18
  6. Step 6: Final answer
    x = 6,731.67

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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.