Home / 7,848.25-10,830.60-4,311.43

Finding the Fourth Proportional to 7,848.25, 10,830.60 and 4,311.43

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Solution

The fourth proportional to 7,848.25, 10,830.60 and 4,311.43 is: 5,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.25 : 10,830.60 = 4,311.43 : x
  2. Step 2: Convert to fraction form
    7,848.25/10,830.60 = 4,311.43/x
  3. Step 3: Cross multiply
    7,848.25x = 10,830.60 × 4,311.43
  4. Step 4: Simplify right side
    7,848.25x = 46,695,346.68
  5. Step 5: Solve for x
    x = 46,695,346.68/7,848.25
  6. Step 6: Final answer
    x = 5,949.78

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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.