Home / 11,575.78-17,364.42-4,650.28

Finding the Fourth Proportional to 11,575.78, 17,364.42 and 4,650.28

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Solution

The fourth proportional to 11,575.78, 17,364.42 and 4,650.28 is: 6,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.78 : 17,364.42 = 4,650.28 : x
  2. Step 2: Convert to fraction form
    11,575.78/17,364.42 = 4,650.28/x
  3. Step 3: Cross multiply
    11,575.78x = 17,364.42 × 4,650.28
  4. Step 4: Simplify right side
    11,575.78x = 80,749,415.04
  5. Step 5: Solve for x
    x = 80,749,415.04/11,575.78
  6. Step 6: Final answer
    x = 6,975.72

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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.