Home / 11,428.98-17,143.51-4,029.42

Finding the Fourth Proportional to 11,428.98, 17,143.51 and 4,029.42

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Solution

The fourth proportional to 11,428.98, 17,143.51 and 4,029.42 is: 6,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.98 : 17,143.51 = 4,029.42 : x
  2. Step 2: Convert to fraction form
    11,428.98/17,143.51 = 4,029.42/x
  3. Step 3: Cross multiply
    11,428.98x = 17,143.51 × 4,029.42
  4. Step 4: Simplify right side
    11,428.98x = 69,078,402.06
  5. Step 5: Solve for x
    x = 69,078,402.06/11,428.98
  6. Step 6: Final answer
    x = 6,044.14

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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.