Home / 6,861.48-9,468.87-3,717.68

Finding the Fourth Proportional to 6,861.48, 9,468.87 and 3,717.68

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Solution

The fourth proportional to 6,861.48, 9,468.87 and 3,717.68 is: 5,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.48 : 9,468.87 = 3,717.68 : x
  2. Step 2: Convert to fraction form
    6,861.48/9,468.87 = 3,717.68/x
  3. Step 3: Cross multiply
    6,861.48x = 9,468.87 × 3,717.68
  4. Step 4: Simplify right side
    6,861.48x = 35,202,181.28
  5. Step 5: Solve for x
    x = 35,202,181.28/6,861.48
  6. Step 6: Final answer
    x = 5,130.41

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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.