Home / 10,072.20-15,102.39-3,050.10

Finding the Fourth Proportional to 10,072.20, 15,102.39 and 3,050.10

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Solution

The fourth proportional to 10,072.20, 15,102.39 and 3,050.10 is: 4,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.20 : 15,102.39 = 3,050.10 : x
  2. Step 2: Convert to fraction form
    10,072.20/15,102.39 = 3,050.10/x
  3. Step 3: Cross multiply
    10,072.20x = 15,102.39 × 3,050.10
  4. Step 4: Simplify right side
    10,072.20x = 46,063,799.74
  5. Step 5: Solve for x
    x = 46,063,799.74/10,072.20
  6. Step 6: Final answer
    x = 4,573.36

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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.