Home / 11,953.20-17,938.92-4,168.56

Finding the Fourth Proportional to 11,953.20, 17,938.92 and 4,168.56

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Solution

The fourth proportional to 11,953.20, 17,938.92 and 4,168.56 is: 6,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.20 : 17,938.92 = 4,168.56 : x
  2. Step 2: Convert to fraction form
    11,953.20/17,938.92 = 4,168.56/x
  3. Step 3: Cross multiply
    11,953.20x = 17,938.92 × 4,168.56
  4. Step 4: Simplify right side
    11,953.20x = 74,779,464.36
  5. Step 5: Solve for x
    x = 74,779,464.36/11,953.20
  6. Step 6: Final answer
    x = 6,256.02

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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.