Home / 8,500.08-11,730.66-5,143.03

Finding the Fourth Proportional to 8,500.08, 11,730.66 and 5,143.03

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Solution

The fourth proportional to 8,500.08, 11,730.66 and 5,143.03 is: 7,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.08 : 11,730.66 = 5,143.03 : x
  2. Step 2: Convert to fraction form
    8,500.08/11,730.66 = 5,143.03/x
  3. Step 3: Cross multiply
    8,500.08x = 11,730.66 × 5,143.03
  4. Step 4: Simplify right side
    8,500.08x = 60,331,136.30
  5. Step 5: Solve for x
    x = 60,331,136.30/8,500.08
  6. Step 6: Final answer
    x = 7,097.71

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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.