Home / 12,046.68-18,070.26-3,281.82

Finding the Fourth Proportional to 12,046.68, 18,070.26 and 3,281.82

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Solution

The fourth proportional to 12,046.68, 18,070.26 and 3,281.82 is: 4,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.68 : 18,070.26 = 3,281.82 : x
  2. Step 2: Convert to fraction form
    12,046.68/18,070.26 = 3,281.82/x
  3. Step 3: Cross multiply
    12,046.68x = 18,070.26 × 3,281.82
  4. Step 4: Simplify right side
    12,046.68x = 59,303,340.67
  5. Step 5: Solve for x
    x = 59,303,340.67/12,046.68
  6. Step 6: Final answer
    x = 4,922.80

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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.