Home / 10,118.45-15,179.72-3,549.26

Finding the Fourth Proportional to 10,118.45, 15,179.72 and 3,549.26

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Solution

The fourth proportional to 10,118.45, 15,179.72 and 3,549.26 is: 5,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.45 : 15,179.72 = 3,549.26 : x
  2. Step 2: Convert to fraction form
    10,118.45/15,179.72 = 3,549.26/x
  3. Step 3: Cross multiply
    10,118.45x = 15,179.72 × 3,549.26
  4. Step 4: Simplify right side
    10,118.45x = 53,876,679.36
  5. Step 5: Solve for x
    x = 53,876,679.36/10,118.45
  6. Step 6: Final answer
    x = 5,324.60

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1.5x scale

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.