Home / 11,429.80-17,144.70-4,034.20

Finding the Fourth Proportional to 11,429.80, 17,144.70 and 4,034.20

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Solution

The fourth proportional to 11,429.80, 17,144.70 and 4,034.20 is: 6,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.80 : 17,144.70 = 4,034.20 : x
  2. Step 2: Convert to fraction form
    11,429.80/17,144.70 = 4,034.20/x
  3. Step 3: Cross multiply
    11,429.80x = 17,144.70 × 4,034.20
  4. Step 4: Simplify right side
    11,429.80x = 69,165,148.74
  5. Step 5: Solve for x
    x = 69,165,148.74/11,429.80
  6. Step 6: Final answer
    x = 6,051.30

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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.