Home / 10,433.14-15,649.70-3,512.50

Finding the Fourth Proportional to 10,433.14, 15,649.70 and 3,512.50

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Solution

The fourth proportional to 10,433.14, 15,649.70 and 3,512.50 is: 5,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.14 : 15,649.70 = 3,512.50 : x
  2. Step 2: Convert to fraction form
    10,433.14/15,649.70 = 3,512.50/x
  3. Step 3: Cross multiply
    10,433.14x = 15,649.70 × 3,512.50
  4. Step 4: Simplify right side
    10,433.14x = 54,969,571.25
  5. Step 5: Solve for x
    x = 54,969,571.25/10,433.14
  6. Step 6: Final answer
    x = 5,268.75

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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.