Home / 7,943.96-11,902.98-4,043

Finding the Fourth Proportional to 7,943.96, 11,902.98 and 4,043

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Solution

The fourth proportional to 7,943.96, 11,902.98 and 4,043 is: 6,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.96 : 11,902.98 = 4,043 : x
  2. Step 2: Convert to fraction form
    7,943.96/11,902.98 = 4,043/x
  3. Step 3: Cross multiply
    7,943.96x = 11,902.98 × 4,043
  4. Step 4: Simplify right side
    7,943.96x = 48,123,748.14
  5. Step 5: Solve for x
    x = 48,123,748.14/7,943.96
  6. Step 6: Final answer
    x = 6,057.90

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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.