Home / 11,900.12-17,836.81-5,655.02

Finding the Fourth Proportional to 11,900.12, 17,836.81 and 5,655.02

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Solution

The fourth proportional to 11,900.12, 17,836.81 and 5,655.02 is: 8,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.12 : 17,836.81 = 5,655.02 : x
  2. Step 2: Convert to fraction form
    11,900.12/17,836.81 = 5,655.02/x
  3. Step 3: Cross multiply
    11,900.12x = 17,836.81 × 5,655.02
  4. Step 4: Simplify right side
    11,900.12x = 100,867,413.96
  5. Step 5: Solve for x
    x = 100,867,413.96/11,900.12
  6. Step 6: Final answer
    x = 8,476.17

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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.