Home / 11,926.74-17,890.12-4,029.28

Finding the Fourth Proportional to 11,926.74, 17,890.12 and 4,029.28

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Solution

The fourth proportional to 11,926.74, 17,890.12 and 4,029.28 is: 6,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.74 : 17,890.12 = 4,029.28 : x
  2. Step 2: Convert to fraction form
    11,926.74/17,890.12 = 4,029.28/x
  3. Step 3: Cross multiply
    11,926.74x = 17,890.12 × 4,029.28
  4. Step 4: Simplify right side
    11,926.74x = 72,084,315.00
  5. Step 5: Solve for x
    x = 72,084,315.00/11,926.74
  6. Step 6: Final answer
    x = 6,043.92

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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.