Home / 11,575.05-17,358.97-4,178.55

Finding the Fourth Proportional to 11,575.05, 17,358.97 and 4,178.55

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Solution

The fourth proportional to 11,575.05, 17,358.97 and 4,178.55 is: 6,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.05 : 17,358.97 = 4,178.55 : x
  2. Step 2: Convert to fraction form
    11,575.05/17,358.97 = 4,178.55/x
  3. Step 3: Cross multiply
    11,575.05x = 17,358.97 × 4,178.55
  4. Step 4: Simplify right side
    11,575.05x = 72,535,324.09
  5. Step 5: Solve for x
    x = 72,535,324.09/11,575.05
  6. Step 6: Final answer
    x = 6,266.52

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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.