Home / 6,396.48-9,581.90-5,082.39

Finding the Fourth Proportional to 6,396.48, 9,581.90 and 5,082.39

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Solution

The fourth proportional to 6,396.48, 9,581.90 and 5,082.39 is: 7,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.48 : 9,581.90 = 5,082.39 : x
  2. Step 2: Convert to fraction form
    6,396.48/9,581.90 = 5,082.39/x
  3. Step 3: Cross multiply
    6,396.48x = 9,581.90 × 5,082.39
  4. Step 4: Simplify right side
    6,396.48x = 48,698,927.33
  5. Step 5: Solve for x
    x = 48,698,927.33/6,396.48
  6. Step 6: Final answer
    x = 7,613.39

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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.