Home / 10,953.78-16,430.61-4,028.34

Finding the Fourth Proportional to 10,953.78, 16,430.61 and 4,028.34

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Solution

The fourth proportional to 10,953.78, 16,430.61 and 4,028.34 is: 6,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.78 : 16,430.61 = 4,028.34 : x
  2. Step 2: Convert to fraction form
    10,953.78/16,430.61 = 4,028.34/x
  3. Step 3: Cross multiply
    10,953.78x = 16,430.61 × 4,028.34
  4. Step 4: Simplify right side
    10,953.78x = 66,188,083.49
  5. Step 5: Solve for x
    x = 66,188,083.49/10,953.78
  6. Step 6: Final answer
    x = 6,042.49

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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.