Home / 12,434.94-18,652.60-6,923.31

Finding the Fourth Proportional to 12,434.94, 18,652.60 and 6,923.31

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Solution

The fourth proportional to 12,434.94, 18,652.60 and 6,923.31 is: 10,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.94 : 18,652.60 = 6,923.31 : x
  2. Step 2: Convert to fraction form
    12,434.94/18,652.60 = 6,923.31/x
  3. Step 3: Cross multiply
    12,434.94x = 18,652.60 × 6,923.31
  4. Step 4: Simplify right side
    12,434.94x = 129,137,732.11
  5. Step 5: Solve for x
    x = 129,137,732.11/12,434.94
  6. Step 6: Final answer
    x = 10,385.07

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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.