Home / 12,125.26-18,187.84-3,360.14

Finding the Fourth Proportional to 12,125.26, 18,187.84 and 3,360.14

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Solution

The fourth proportional to 12,125.26, 18,187.84 and 3,360.14 is: 5,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.26 : 18,187.84 = 3,360.14 : x
  2. Step 2: Convert to fraction form
    12,125.26/18,187.84 = 3,360.14/x
  3. Step 3: Cross multiply
    12,125.26x = 18,187.84 × 3,360.14
  4. Step 4: Simplify right side
    12,125.26x = 61,113,688.70
  5. Step 5: Solve for x
    x = 61,113,688.70/12,125.26
  6. Step 6: Final answer
    x = 5,040.20

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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.