Home / 7,350.69-10,144.07-3,993.51

Finding the Fourth Proportional to 7,350.69, 10,144.07 and 3,993.51

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Solution

The fourth proportional to 7,350.69, 10,144.07 and 3,993.51 is: 5,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.69 : 10,144.07 = 3,993.51 : x
  2. Step 2: Convert to fraction form
    7,350.69/10,144.07 = 3,993.51/x
  3. Step 3: Cross multiply
    7,350.69x = 10,144.07 × 3,993.51
  4. Step 4: Simplify right side
    7,350.69x = 40,510,425.02
  5. Step 5: Solve for x
    x = 40,510,425.02/7,350.69
  6. Step 6: Final answer
    x = 5,511.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.