Home / 6,861.01-9,468.18-3,717.21

Finding the Fourth Proportional to 6,861.01, 9,468.18 and 3,717.21

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Solution

The fourth proportional to 6,861.01, 9,468.18 and 3,717.21 is: 5,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.01 : 9,468.18 = 3,717.21 : x
  2. Step 2: Convert to fraction form
    6,861.01/9,468.18 = 3,717.21/x
  3. Step 3: Cross multiply
    6,861.01x = 9,468.18 × 3,717.21
  4. Step 4: Simplify right side
    6,861.01x = 35,195,213.38
  5. Step 5: Solve for x
    x = 35,195,213.38/6,861.01
  6. Step 6: Final answer
    x = 5,129.74

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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.