Home / 12,437.04-18,653.13-3,669.60

Finding the Fourth Proportional to 12,437.04, 18,653.13 and 3,669.60

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Solution

The fourth proportional to 12,437.04, 18,653.13 and 3,669.60 is: 5,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.04 : 18,653.13 = 3,669.60 : x
  2. Step 2: Convert to fraction form
    12,437.04/18,653.13 = 3,669.60/x
  3. Step 3: Cross multiply
    12,437.04x = 18,653.13 × 3,669.60
  4. Step 4: Simplify right side
    12,437.04x = 68,449,525.85
  5. Step 5: Solve for x
    x = 68,449,525.85/12,437.04
  6. Step 6: Final answer
    x = 5,503.68

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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.