Home / 7,212.36-9,952.43-4,025.42

Finding the Fourth Proportional to 7,212.36, 9,952.43 and 4,025.42

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Solution

The fourth proportional to 7,212.36, 9,952.43 and 4,025.42 is: 5,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.36 : 9,952.43 = 4,025.42 : x
  2. Step 2: Convert to fraction form
    7,212.36/9,952.43 = 4,025.42/x
  3. Step 3: Cross multiply
    7,212.36x = 9,952.43 × 4,025.42
  4. Step 4: Simplify right side
    7,212.36x = 40,062,640.88
  5. Step 5: Solve for x
    x = 40,062,640.88/7,212.36
  6. Step 6: Final answer
    x = 5,554.72

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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.