Home / 10,418.13-14,378.17-5,942.98

Finding the Fourth Proportional to 10,418.13, 14,378.17 and 5,942.98

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Solution

The fourth proportional to 10,418.13, 14,378.17 and 5,942.98 is: 8,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.13 : 14,378.17 = 5,942.98 : x
  2. Step 2: Convert to fraction form
    10,418.13/14,378.17 = 5,942.98/x
  3. Step 3: Cross multiply
    10,418.13x = 14,378.17 × 5,942.98
  4. Step 4: Simplify right side
    10,418.13x = 85,449,125.94
  5. Step 5: Solve for x
    x = 85,449,125.94/10,418.13
  6. Step 6: Final answer
    x = 8,201.96

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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.