Home / 7,412.36-10,229.67-4,225.72

Finding the Fourth Proportional to 7,412.36, 10,229.67 and 4,225.72

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Solution

The fourth proportional to 7,412.36, 10,229.67 and 4,225.72 is: 5,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.36 : 10,229.67 = 4,225.72 : x
  2. Step 2: Convert to fraction form
    7,412.36/10,229.67 = 4,225.72/x
  3. Step 3: Cross multiply
    7,412.36x = 10,229.67 × 4,225.72
  4. Step 4: Simplify right side
    7,412.36x = 43,227,702.83
  5. Step 5: Solve for x
    x = 43,227,702.83/7,412.36
  6. Step 6: Final answer
    x = 5,831.84

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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.