Home / 7,885.14-11,817.99-4,375.02

Finding the Fourth Proportional to 7,885.14, 11,817.99 and 4,375.02

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Solution

The fourth proportional to 7,885.14, 11,817.99 and 4,375.02 is: 6,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.14 : 11,817.99 = 4,375.02 : x
  2. Step 2: Convert to fraction form
    7,885.14/11,817.99 = 4,375.02/x
  3. Step 3: Cross multiply
    7,885.14x = 11,817.99 × 4,375.02
  4. Step 4: Simplify right side
    7,885.14x = 51,703,942.61
  5. Step 5: Solve for x
    x = 51,703,942.61/7,885.14
  6. Step 6: Final answer
    x = 6,557.14

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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.