Home / 12,088.17-18,125.64-3,765.96

Finding the Fourth Proportional to 12,088.17, 18,125.64 and 3,765.96

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Solution

The fourth proportional to 12,088.17, 18,125.64 and 3,765.96 is: 5,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.17 : 18,125.64 = 3,765.96 : x
  2. Step 2: Convert to fraction form
    12,088.17/18,125.64 = 3,765.96/x
  3. Step 3: Cross multiply
    12,088.17x = 18,125.64 × 3,765.96
  4. Step 4: Simplify right side
    12,088.17x = 68,260,435.21
  5. Step 5: Solve for x
    x = 68,260,435.21/12,088.17
  6. Step 6: Final answer
    x = 5,646.88

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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.