Home / 10,177.89-15,260.94-3,156.03

Finding the Fourth Proportional to 10,177.89, 15,260.94 and 3,156.03

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Solution

The fourth proportional to 10,177.89, 15,260.94 and 3,156.03 is: 4,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.89 : 15,260.94 = 3,156.03 : x
  2. Step 2: Convert to fraction form
    10,177.89/15,260.94 = 3,156.03/x
  3. Step 3: Cross multiply
    10,177.89x = 15,260.94 × 3,156.03
  4. Step 4: Simplify right side
    10,177.89x = 48,163,984.47
  5. Step 5: Solve for x
    x = 48,163,984.47/10,177.89
  6. Step 6: Final answer
    x = 4,732.22

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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.