Home / 10,415.82-14,372.12-5,939.66

Finding the Fourth Proportional to 10,415.82, 14,372.12 and 5,939.66

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Solution

The fourth proportional to 10,415.82, 14,372.12 and 5,939.66 is: 8,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.82 : 14,372.12 = 5,939.66 : x
  2. Step 2: Convert to fraction form
    10,415.82/14,372.12 = 5,939.66/x
  3. Step 3: Cross multiply
    10,415.82x = 14,372.12 × 5,939.66
  4. Step 4: Simplify right side
    10,415.82x = 85,365,506.28
  5. Step 5: Solve for x
    x = 85,365,506.28/10,415.82
  6. Step 6: Final answer
    x = 8,195.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.