Home / 10,176.26-15,265.33-3,156.33

Finding the Fourth Proportional to 10,176.26, 15,265.33 and 3,156.33

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Solution

The fourth proportional to 10,176.26, 15,265.33 and 3,156.33 is: 4,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.26 : 15,265.33 = 3,156.33 : x
  2. Step 2: Convert to fraction form
    10,176.26/15,265.33 = 3,156.33/x
  3. Step 3: Cross multiply
    10,176.26x = 15,265.33 × 3,156.33
  4. Step 4: Simplify right side
    10,176.26x = 48,182,411.15
  5. Step 5: Solve for x
    x = 48,182,411.15/10,176.26
  6. Step 6: Final answer
    x = 4,734.78

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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.