Home / 7,142.35-10,711.16-2,462.25

Finding the Fourth Proportional to 7,142.35, 10,711.16 and 2,462.25

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Solution

The fourth proportional to 7,142.35, 10,711.16 and 2,462.25 is: 3,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.35 : 10,711.16 = 2,462.25 : x
  2. Step 2: Convert to fraction form
    7,142.35/10,711.16 = 2,462.25/x
  3. Step 3: Cross multiply
    7,142.35x = 10,711.16 × 2,462.25
  4. Step 4: Simplify right side
    7,142.35x = 26,373,537.47
  5. Step 5: Solve for x
    x = 26,373,537.47/7,142.35
  6. Step 6: Final answer
    x = 3,692.56

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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.