Home / 11,867.95-17,812.49-6,325.87

Finding the Fourth Proportional to 11,867.95, 17,812.49 and 6,325.87

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Solution

The fourth proportional to 11,867.95, 17,812.49 and 6,325.87 is: 9,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.95 : 17,812.49 = 6,325.87 : x
  2. Step 2: Convert to fraction form
    11,867.95/17,812.49 = 6,325.87/x
  3. Step 3: Cross multiply
    11,867.95x = 17,812.49 × 6,325.87
  4. Step 4: Simplify right side
    11,867.95x = 112,679,464.49
  5. Step 5: Solve for x
    x = 112,679,464.49/11,867.95
  6. Step 6: Final answer
    x = 9,494.43

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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.