Home / 11,472.14-17,208.38-4,452.55

Finding the Fourth Proportional to 11,472.14, 17,208.38 and 4,452.55

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Solution

The fourth proportional to 11,472.14, 17,208.38 and 4,452.55 is: 6,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.14 : 17,208.38 = 4,452.55 : x
  2. Step 2: Convert to fraction form
    11,472.14/17,208.38 = 4,452.55/x
  3. Step 3: Cross multiply
    11,472.14x = 17,208.38 × 4,452.55
  4. Step 4: Simplify right side
    11,472.14x = 76,621,172.37
  5. Step 5: Solve for x
    x = 76,621,172.37/11,472.14
  6. Step 6: Final answer
    x = 6,678.89

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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.