Home / 6,136.40-9,228.90-5,504.60

Finding the Fourth Proportional to 6,136.40, 9,228.90 and 5,504.60

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Solution

The fourth proportional to 6,136.40, 9,228.90 and 5,504.60 is: 8,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.40 : 9,228.90 = 5,504.60 : x
  2. Step 2: Convert to fraction form
    6,136.40/9,228.90 = 5,504.60/x
  3. Step 3: Cross multiply
    6,136.40x = 9,228.90 × 5,504.60
  4. Step 4: Simplify right side
    6,136.40x = 50,801,402.94
  5. Step 5: Solve for x
    x = 50,801,402.94/6,136.40
  6. Step 6: Final answer
    x = 8,278.70

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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.