Home / 7,136.28-9,847.98-4,485.24

Finding the Fourth Proportional to 7,136.28, 9,847.98 and 4,485.24

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Solution

The fourth proportional to 7,136.28, 9,847.98 and 4,485.24 is: 6,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.28 : 9,847.98 = 4,485.24 : x
  2. Step 2: Convert to fraction form
    7,136.28/9,847.98 = 4,485.24/x
  3. Step 3: Cross multiply
    7,136.28x = 9,847.98 × 4,485.24
  4. Step 4: Simplify right side
    7,136.28x = 44,170,553.82
  5. Step 5: Solve for x
    x = 44,170,553.82/7,136.28
  6. Step 6: Final answer
    x = 6,189.58

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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.