Home / 7,040.25-9,716.63-4,247.37

Finding the Fourth Proportional to 7,040.25, 9,716.63 and 4,247.37

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Solution

The fourth proportional to 7,040.25, 9,716.63 and 4,247.37 is: 5,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.25 : 9,716.63 = 4,247.37 : x
  2. Step 2: Convert to fraction form
    7,040.25/9,716.63 = 4,247.37/x
  3. Step 3: Cross multiply
    7,040.25x = 9,716.63 × 4,247.37
  4. Step 4: Simplify right side
    7,040.25x = 41,270,101.53
  5. Step 5: Solve for x
    x = 41,270,101.53/7,040.25
  6. Step 6: Final answer
    x = 5,862.02

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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.