Home / 7,382.53-10,188.35-4,239.19

Finding the Fourth Proportional to 7,382.53, 10,188.35 and 4,239.19

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Solution

The fourth proportional to 7,382.53, 10,188.35 and 4,239.19 is: 5,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.53 : 10,188.35 = 4,239.19 : x
  2. Step 2: Convert to fraction form
    7,382.53/10,188.35 = 4,239.19/x
  3. Step 3: Cross multiply
    7,382.53x = 10,188.35 × 4,239.19
  4. Step 4: Simplify right side
    7,382.53x = 43,190,351.44
  5. Step 5: Solve for x
    x = 43,190,351.44/7,382.53
  6. Step 6: Final answer
    x = 5,850.35

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Half scale
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Double scale
Find fourth proportional to 7,383.53, 10,189.73 and 4,240.19
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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.