Home / 7,450.48-11,175.72-1,903.62

Finding the Fourth Proportional to 7,450.48, 11,175.72 and 1,903.62

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Solution

The fourth proportional to 7,450.48, 11,175.72 and 1,903.62 is: 2,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.48 : 11,175.72 = 1,903.62 : x
  2. Step 2: Convert to fraction form
    7,450.48/11,175.72 = 1,903.62/x
  3. Step 3: Cross multiply
    7,450.48x = 11,175.72 × 1,903.62
  4. Step 4: Simplify right side
    7,450.48x = 21,274,324.11
  5. Step 5: Solve for x
    x = 21,274,324.11/7,450.48
  6. Step 6: Final answer
    x = 2,855.43

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Half scale
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Double scale
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Similar ratio
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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.