Home / 11,242.82-16,865.04-4,317.32

Finding the Fourth Proportional to 11,242.82, 16,865.04 and 4,317.32

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Solution

The fourth proportional to 11,242.82, 16,865.04 and 4,317.32 is: 6,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.82 : 16,865.04 = 4,317.32 : x
  2. Step 2: Convert to fraction form
    11,242.82/16,865.04 = 4,317.32/x
  3. Step 3: Cross multiply
    11,242.82x = 16,865.04 × 4,317.32
  4. Step 4: Simplify right side
    11,242.82x = 72,811,668.58
  5. Step 5: Solve for x
    x = 72,811,668.58/11,242.82
  6. Step 6: Final answer
    x = 6,476.28

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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.