Home / 6,942.11-10,402.22-3,817.53

Finding the Fourth Proportional to 6,942.11, 10,402.22 and 3,817.53

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Solution

The fourth proportional to 6,942.11, 10,402.22 and 3,817.53 is: 5,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.11 : 10,402.22 = 3,817.53 : x
  2. Step 2: Convert to fraction form
    6,942.11/10,402.22 = 3,817.53/x
  3. Step 3: Cross multiply
    6,942.11x = 10,402.22 × 3,817.53
  4. Step 4: Simplify right side
    6,942.11x = 39,710,796.46
  5. Step 5: Solve for x
    x = 39,710,796.46/6,942.11
  6. Step 6: Final answer
    x = 5,720.28

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1.5x scale

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.