Home / 10,234.40-15,355.60-3,994.96

Finding the Fourth Proportional to 10,234.40, 15,355.60 and 3,994.96

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Solution

The fourth proportional to 10,234.40, 15,355.60 and 3,994.96 is: 5,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.40 : 15,355.60 = 3,994.96 : x
  2. Step 2: Convert to fraction form
    10,234.40/15,355.60 = 3,994.96/x
  3. Step 3: Cross multiply
    10,234.40x = 15,355.60 × 3,994.96
  4. Step 4: Simplify right side
    10,234.40x = 61,345,007.78
  5. Step 5: Solve for x
    x = 61,345,007.78/10,234.40
  6. Step 6: Final answer
    x = 5,994.00

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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.