Home / 7,212.06-9,952.38-4,025.15

Finding the Fourth Proportional to 7,212.06, 9,952.38 and 4,025.15

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Solution

The fourth proportional to 7,212.06, 9,952.38 and 4,025.15 is: 5,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.06 : 9,952.38 = 4,025.15 : x
  2. Step 2: Convert to fraction form
    7,212.06/9,952.38 = 4,025.15/x
  3. Step 3: Cross multiply
    7,212.06x = 9,952.38 × 4,025.15
  4. Step 4: Simplify right side
    7,212.06x = 40,059,772.60
  5. Step 5: Solve for x
    x = 40,059,772.60/7,212.06
  6. Step 6: Final answer
    x = 5,554.55

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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.