Home / 10,947.33-16,421.40-3,549.60

Finding the Fourth Proportional to 10,947.33, 16,421.40 and 3,549.60

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Solution

The fourth proportional to 10,947.33, 16,421.40 and 3,549.60 is: 5,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.33 : 16,421.40 = 3,549.60 : x
  2. Step 2: Convert to fraction form
    10,947.33/16,421.40 = 3,549.60/x
  3. Step 3: Cross multiply
    10,947.33x = 16,421.40 × 3,549.60
  4. Step 4: Simplify right side
    10,947.33x = 58,289,401.44
  5. Step 5: Solve for x
    x = 58,289,401.44/10,947.33
  6. Step 6: Final answer
    x = 5,324.53

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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.