Home / 11,572.31-17,354.87-4,175.79

Finding the Fourth Proportional to 11,572.31, 17,354.87 and 4,175.79

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Solution

The fourth proportional to 11,572.31, 17,354.87 and 4,175.79 is: 6,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.31 : 17,354.87 = 4,175.79 : x
  2. Step 2: Convert to fraction form
    11,572.31/17,354.87 = 4,175.79/x
  3. Step 3: Cross multiply
    11,572.31x = 17,354.87 × 4,175.79
  4. Step 4: Simplify right side
    11,572.31x = 72,470,271.72
  5. Step 5: Solve for x
    x = 72,470,271.72/11,572.31
  6. Step 6: Final answer
    x = 6,262.39

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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.