Home / 7,494.48-11,242.98-3,112.28

Finding the Fourth Proportional to 7,494.48, 11,242.98 and 3,112.28

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Solution

The fourth proportional to 7,494.48, 11,242.98 and 3,112.28 is: 4,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.48 : 11,242.98 = 3,112.28 : x
  2. Step 2: Convert to fraction form
    7,494.48/11,242.98 = 3,112.28/x
  3. Step 3: Cross multiply
    7,494.48x = 11,242.98 × 3,112.28
  4. Step 4: Simplify right side
    7,494.48x = 34,991,245.58
  5. Step 5: Solve for x
    x = 34,991,245.58/7,494.48
  6. Step 6: Final answer
    x = 4,668.94

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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.