Home / 10,239.02-15,359.66-3,219.27

Finding the Fourth Proportional to 10,239.02, 15,359.66 and 3,219.27

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Solution

The fourth proportional to 10,239.02, 15,359.66 and 3,219.27 is: 4,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.02 : 15,359.66 = 3,219.27 : x
  2. Step 2: Convert to fraction form
    10,239.02/15,359.66 = 3,219.27/x
  3. Step 3: Cross multiply
    10,239.02x = 15,359.66 × 3,219.27
  4. Step 4: Simplify right side
    10,239.02x = 49,446,876.55
  5. Step 5: Solve for x
    x = 49,446,876.55/10,239.02
  6. Step 6: Final answer
    x = 4,829.26

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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.