Home / 11,351.04-17,028.72-4,425.12

Finding the Fourth Proportional to 11,351.04, 17,028.72 and 4,425.12

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Solution

The fourth proportional to 11,351.04, 17,028.72 and 4,425.12 is: 6,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.04 : 17,028.72 = 4,425.12 : x
  2. Step 2: Convert to fraction form
    11,351.04/17,028.72 = 4,425.12/x
  3. Step 3: Cross multiply
    11,351.04x = 17,028.72 × 4,425.12
  4. Step 4: Simplify right side
    11,351.04x = 75,354,129.45
  5. Step 5: Solve for x
    x = 75,354,129.45/11,351.04
  6. Step 6: Final answer
    x = 6,638.52

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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.