Home / 10,043.88-15,046.20-4,771.38

Finding the Fourth Proportional to 10,043.88, 15,046.20 and 4,771.38

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Solution

The fourth proportional to 10,043.88, 15,046.20 and 4,771.38 is: 7,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.88 : 15,046.20 = 4,771.38 : x
  2. Step 2: Convert to fraction form
    10,043.88/15,046.20 = 4,771.38/x
  3. Step 3: Cross multiply
    10,043.88x = 15,046.20 × 4,771.38
  4. Step 4: Simplify right side
    10,043.88x = 71,791,137.76
  5. Step 5: Solve for x
    x = 71,791,137.76/10,043.88
  6. Step 6: Final answer
    x = 7,147.75

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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.