Home / 10,042.86-15,059.97-3,801.78

Finding the Fourth Proportional to 10,042.86, 15,059.97 and 3,801.78

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Solution

The fourth proportional to 10,042.86, 15,059.97 and 3,801.78 is: 5,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.86 : 15,059.97 = 3,801.78 : x
  2. Step 2: Convert to fraction form
    10,042.86/15,059.97 = 3,801.78/x
  3. Step 3: Cross multiply
    10,042.86x = 15,059.97 × 3,801.78
  4. Step 4: Simplify right side
    10,042.86x = 57,254,692.75
  5. Step 5: Solve for x
    x = 57,254,692.75/10,042.86
  6. Step 6: Final answer
    x = 5,701.03

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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.