Home / 7,412.44-10,229.72-4,225.81

Finding the Fourth Proportional to 7,412.44, 10,229.72 and 4,225.81

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Solution

The fourth proportional to 7,412.44, 10,229.72 and 4,225.81 is: 5,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.44 : 10,229.72 = 4,225.81 : x
  2. Step 2: Convert to fraction form
    7,412.44/10,229.72 = 4,225.81/x
  3. Step 3: Cross multiply
    7,412.44x = 10,229.72 × 4,225.81
  4. Step 4: Simplify right side
    7,412.44x = 43,228,866.21
  5. Step 5: Solve for x
    x = 43,228,866.21/7,412.44
  6. Step 6: Final answer
    x = 5,831.94

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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.