Home / 10,772.34-16,156.53-4,927.56

Finding the Fourth Proportional to 10,772.34, 16,156.53 and 4,927.56

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Solution

The fourth proportional to 10,772.34, 16,156.53 and 4,927.56 is: 7,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.34 : 16,156.53 = 4,927.56 : x
  2. Step 2: Convert to fraction form
    10,772.34/16,156.53 = 4,927.56/x
  3. Step 3: Cross multiply
    10,772.34x = 16,156.53 × 4,927.56
  4. Step 4: Simplify right side
    10,772.34x = 79,612,270.97
  5. Step 5: Solve for x
    x = 79,612,270.97/10,772.34
  6. Step 6: Final answer
    x = 7,390.43

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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.