Home / 7,458.89-11,180.30-3,015.23

Finding the Fourth Proportional to 7,458.89, 11,180.30 and 3,015.23

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Solution

The fourth proportional to 7,458.89, 11,180.30 and 3,015.23 is: 4,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.89 : 11,180.30 = 3,015.23 : x
  2. Step 2: Convert to fraction form
    7,458.89/11,180.30 = 3,015.23/x
  3. Step 3: Cross multiply
    7,458.89x = 11,180.30 × 3,015.23
  4. Step 4: Simplify right side
    7,458.89x = 33,711,104.99
  5. Step 5: Solve for x
    x = 33,711,104.99/7,458.89
  6. Step 6: Final answer
    x = 4,519.59

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Half scale
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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.