Home / 12,497.16-18,748.44-3,732.78

Finding the Fourth Proportional to 12,497.16, 18,748.44 and 3,732.78

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Solution

The fourth proportional to 12,497.16, 18,748.44 and 3,732.78 is: 5,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.16 : 18,748.44 = 3,732.78 : x
  2. Step 2: Convert to fraction form
    12,497.16/18,748.44 = 3,732.78/x
  3. Step 3: Cross multiply
    12,497.16x = 18,748.44 × 3,732.78
  4. Step 4: Simplify right side
    12,497.16x = 69,983,801.86
  5. Step 5: Solve for x
    x = 69,983,801.86/12,497.16
  6. Step 6: Final answer
    x = 5,599.98

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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.