Home / 8,114.29-12,172.68-3,434.34

Finding the Fourth Proportional to 8,114.29, 12,172.68 and 3,434.34

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Solution

The fourth proportional to 8,114.29, 12,172.68 and 3,434.34 is: 5,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.29 : 12,172.68 = 3,434.34 : x
  2. Step 2: Convert to fraction form
    8,114.29/12,172.68 = 3,434.34/x
  3. Step 3: Cross multiply
    8,114.29x = 12,172.68 × 3,434.34
  4. Step 4: Simplify right side
    8,114.29x = 41,805,121.83
  5. Step 5: Solve for x
    x = 41,805,121.83/8,114.29
  6. Step 6: Final answer
    x = 5,152.04

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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.