Home / 11,401.20-17,101.80-7,464.60

Finding the Fourth Proportional to 11,401.20, 17,101.80 and 7,464.60

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Solution

The fourth proportional to 11,401.20, 17,101.80 and 7,464.60 is: 11,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.20 : 17,101.80 = 7,464.60 : x
  2. Step 2: Convert to fraction form
    11,401.20/17,101.80 = 7,464.60/x
  3. Step 3: Cross multiply
    11,401.20x = 17,101.80 × 7,464.60
  4. Step 4: Simplify right side
    11,401.20x = 127,658,096.28
  5. Step 5: Solve for x
    x = 127,658,096.28/11,401.20
  6. Step 6: Final answer
    x = 11,196.90

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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.