Home / 10,611.84-15,912.29-4,763.45

Finding the Fourth Proportional to 10,611.84, 15,912.29 and 4,763.45

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Solution

The fourth proportional to 10,611.84, 15,912.29 and 4,763.45 is: 7,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.84 : 15,912.29 = 4,763.45 : x
  2. Step 2: Convert to fraction form
    10,611.84/15,912.29 = 4,763.45/x
  3. Step 3: Cross multiply
    10,611.84x = 15,912.29 × 4,763.45
  4. Step 4: Simplify right side
    10,611.84x = 75,797,294.42
  5. Step 5: Solve for x
    x = 75,797,294.42/10,611.84
  6. Step 6: Final answer
    x = 7,142.71

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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.