Home / 10,620.48-15,933.28-3,224.50

Finding the Fourth Proportional to 10,620.48, 15,933.28 and 3,224.50

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Solution

The fourth proportional to 10,620.48, 15,933.28 and 3,224.50 is: 4,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.48 : 15,933.28 = 3,224.50 : x
  2. Step 2: Convert to fraction form
    10,620.48/15,933.28 = 3,224.50/x
  3. Step 3: Cross multiply
    10,620.48x = 15,933.28 × 3,224.50
  4. Step 4: Simplify right side
    10,620.48x = 51,376,861.36
  5. Step 5: Solve for x
    x = 51,376,861.36/10,620.48
  6. Step 6: Final answer
    x = 4,837.53

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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.