Home / 7,382.25-10,188.14-4,239.05

Finding the Fourth Proportional to 7,382.25, 10,188.14 and 4,239.05

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Solution

The fourth proportional to 7,382.25, 10,188.14 and 4,239.05 is: 5,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.25 : 10,188.14 = 4,239.05 : x
  2. Step 2: Convert to fraction form
    7,382.25/10,188.14 = 4,239.05/x
  3. Step 3: Cross multiply
    7,382.25x = 10,188.14 × 4,239.05
  4. Step 4: Simplify right side
    7,382.25x = 43,187,962.73
  5. Step 5: Solve for x
    x = 43,187,962.73/7,382.25
  6. Step 6: Final answer
    x = 5,850.24

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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.