Home / 8,242.17-12,359.46-3,559.95

Finding the Fourth Proportional to 8,242.17, 12,359.46 and 3,559.95

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Solution

The fourth proportional to 8,242.17, 12,359.46 and 3,559.95 is: 5,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.17 : 12,359.46 = 3,559.95 : x
  2. Step 2: Convert to fraction form
    8,242.17/12,359.46 = 3,559.95/x
  3. Step 3: Cross multiply
    8,242.17x = 12,359.46 × 3,559.95
  4. Step 4: Simplify right side
    8,242.17x = 43,999,059.63
  5. Step 5: Solve for x
    x = 43,999,059.63/8,242.17
  6. Step 6: Final answer
    x = 5,338.29

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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.