Home / 7,939.48-11,915.94-3,262

Finding the Fourth Proportional to 7,939.48, 11,915.94 and 3,262

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Solution

The fourth proportional to 7,939.48, 11,915.94 and 3,262 is: 4,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.48 : 11,915.94 = 3,262 : x
  2. Step 2: Convert to fraction form
    7,939.48/11,915.94 = 3,262/x
  3. Step 3: Cross multiply
    7,939.48x = 11,915.94 × 3,262
  4. Step 4: Simplify right side
    7,939.48x = 38,869,796.28
  5. Step 5: Solve for x
    x = 38,869,796.28/7,939.48
  6. Step 6: Final answer
    x = 4,895.76

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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.