Home / 10,929.50-16,394.26-2,721.50

Finding the Fourth Proportional to 10,929.50, 16,394.26 and 2,721.50

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Solution

The fourth proportional to 10,929.50, 16,394.26 and 2,721.50 is: 4,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.50 : 16,394.26 = 2,721.50 : x
  2. Step 2: Convert to fraction form
    10,929.50/16,394.26 = 2,721.50/x
  3. Step 3: Cross multiply
    10,929.50x = 16,394.26 × 2,721.50
  4. Step 4: Simplify right side
    10,929.50x = 44,616,978.59
  5. Step 5: Solve for x
    x = 44,616,978.59/10,929.50
  6. Step 6: Final answer
    x = 4,082.25

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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.