Home / 7,454.12-11,178.36-3,010.28

Finding the Fourth Proportional to 7,454.12, 11,178.36 and 3,010.28

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Solution

The fourth proportional to 7,454.12, 11,178.36 and 3,010.28 is: 4,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.12 : 11,178.36 = 3,010.28 : x
  2. Step 2: Convert to fraction form
    7,454.12/11,178.36 = 3,010.28/x
  3. Step 3: Cross multiply
    7,454.12x = 11,178.36 × 3,010.28
  4. Step 4: Simplify right side
    7,454.12x = 33,649,993.54
  5. Step 5: Solve for x
    x = 33,649,993.54/7,454.12
  6. Step 6: Final answer
    x = 4,514.28

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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.