Home / 11,619.68-17,429.52-4,699.04

Finding the Fourth Proportional to 11,619.68, 17,429.52 and 4,699.04

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Solution

The fourth proportional to 11,619.68, 17,429.52 and 4,699.04 is: 7,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.68 : 17,429.52 = 4,699.04 : x
  2. Step 2: Convert to fraction form
    11,619.68/17,429.52 = 4,699.04/x
  3. Step 3: Cross multiply
    11,619.68x = 17,429.52 × 4,699.04
  4. Step 4: Simplify right side
    11,619.68x = 81,902,011.66
  5. Step 5: Solve for x
    x = 81,902,011.66/11,619.68
  6. Step 6: Final answer
    x = 7,048.56

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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.