Home / 10,124.15-15,186.36-3,550.53

Finding the Fourth Proportional to 10,124.15, 15,186.36 and 3,550.53

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Solution

The fourth proportional to 10,124.15, 15,186.36 and 3,550.53 is: 5,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.15 : 15,186.36 = 3,550.53 : x
  2. Step 2: Convert to fraction form
    10,124.15/15,186.36 = 3,550.53/x
  3. Step 3: Cross multiply
    10,124.15x = 15,186.36 × 3,550.53
  4. Step 4: Simplify right side
    10,124.15x = 53,919,640.09
  5. Step 5: Solve for x
    x = 53,919,640.09/10,124.15
  6. Step 6: Final answer
    x = 5,325.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.