Home / 7,425.81-10,247.46-4,195.33

Finding the Fourth Proportional to 7,425.81, 10,247.46 and 4,195.33

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Solution

The fourth proportional to 7,425.81, 10,247.46 and 4,195.33 is: 5,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.81 : 10,247.46 = 4,195.33 : x
  2. Step 2: Convert to fraction form
    7,425.81/10,247.46 = 4,195.33/x
  3. Step 3: Cross multiply
    7,425.81x = 10,247.46 × 4,195.33
  4. Step 4: Simplify right side
    7,425.81x = 42,991,473.44
  5. Step 5: Solve for x
    x = 42,991,473.44/7,425.81
  6. Step 6: Final answer
    x = 5,789.46

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.