Home / 12,462.66-18,686.70-4,667.22

Finding the Fourth Proportional to 12,462.66, 18,686.70 and 4,667.22

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Solution

The fourth proportional to 12,462.66, 18,686.70 and 4,667.22 is: 6,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.66 : 18,686.70 = 4,667.22 : x
  2. Step 2: Convert to fraction form
    12,462.66/18,686.70 = 4,667.22/x
  3. Step 3: Cross multiply
    12,462.66x = 18,686.70 × 4,667.22
  4. Step 4: Simplify right side
    12,462.66x = 87,214,939.97
  5. Step 5: Solve for x
    x = 87,214,939.97/12,462.66
  6. Step 6: Final answer
    x = 6,998.10

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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.