Home / 7,930.32-11,897.26-4,230.60

Finding the Fourth Proportional to 7,930.32, 11,897.26 and 4,230.60

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Solution

The fourth proportional to 7,930.32, 11,897.26 and 4,230.60 is: 6,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.32 : 11,897.26 = 4,230.60 : x
  2. Step 2: Convert to fraction form
    7,930.32/11,897.26 = 4,230.60/x
  3. Step 3: Cross multiply
    7,930.32x = 11,897.26 × 4,230.60
  4. Step 4: Simplify right side
    7,930.32x = 50,332,548.16
  5. Step 5: Solve for x
    x = 50,332,548.16/7,930.32
  6. Step 6: Final answer
    x = 6,346.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.