Home / 7,245.89-9,996.31-4,883.93

Finding the Fourth Proportional to 7,245.89, 9,996.31 and 4,883.93

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Solution

The fourth proportional to 7,245.89, 9,996.31 and 4,883.93 is: 6,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.89 : 9,996.31 = 4,883.93 : x
  2. Step 2: Convert to fraction form
    7,245.89/9,996.31 = 4,883.93/x
  3. Step 3: Cross multiply
    7,245.89x = 9,996.31 × 4,883.93
  4. Step 4: Simplify right side
    7,245.89x = 48,821,278.30
  5. Step 5: Solve for x
    x = 48,821,278.30/7,245.89
  6. Step 6: Final answer
    x = 6,737.79

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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.