Home / 6,106.92-8,423.10-3,869.16

Finding the Fourth Proportional to 6,106.92, 8,423.10 and 3,869.16

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Solution

The fourth proportional to 6,106.92, 8,423.10 and 3,869.16 is: 5,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.92 : 8,423.10 = 3,869.16 : x
  2. Step 2: Convert to fraction form
    6,106.92/8,423.10 = 3,869.16/x
  3. Step 3: Cross multiply
    6,106.92x = 8,423.10 × 3,869.16
  4. Step 4: Simplify right side
    6,106.92x = 32,590,321.60
  5. Step 5: Solve for x
    x = 32,590,321.60/6,106.92
  6. Step 6: Final answer
    x = 5,336.62

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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.