Home / 7,212.16-9,951.81-4,025.08

Finding the Fourth Proportional to 7,212.16, 9,951.81 and 4,025.08

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Solution

The fourth proportional to 7,212.16, 9,951.81 and 4,025.08 is: 5,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.16 : 9,951.81 = 4,025.08 : x
  2. Step 2: Convert to fraction form
    7,212.16/9,951.81 = 4,025.08/x
  3. Step 3: Cross multiply
    7,212.16x = 9,951.81 × 4,025.08
  4. Step 4: Simplify right side
    7,212.16x = 40,056,831.39
  5. Step 5: Solve for x
    x = 40,056,831.39/7,212.16
  6. Step 6: Final answer
    x = 5,554.07

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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.