Home / 10,929.34-16,394.19-3,137.50

Finding the Fourth Proportional to 10,929.34, 16,394.19 and 3,137.50

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Solution

The fourth proportional to 10,929.34, 16,394.19 and 3,137.50 is: 4,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.34 : 16,394.19 = 3,137.50 : x
  2. Step 2: Convert to fraction form
    10,929.34/16,394.19 = 3,137.50/x
  3. Step 3: Cross multiply
    10,929.34x = 16,394.19 × 3,137.50
  4. Step 4: Simplify right side
    10,929.34x = 51,436,771.13
  5. Step 5: Solve for x
    x = 51,436,771.13/10,929.34
  6. Step 6: Final answer
    x = 4,706.30

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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.