Home / 8,163.59-11,266.68-5,516.40

Finding the Fourth Proportional to 8,163.59, 11,266.68 and 5,516.40

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Solution

The fourth proportional to 8,163.59, 11,266.68 and 5,516.40 is: 7,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.59 : 11,266.68 = 5,516.40 : x
  2. Step 2: Convert to fraction form
    8,163.59/11,266.68 = 5,516.40/x
  3. Step 3: Cross multiply
    8,163.59x = 11,266.68 × 5,516.40
  4. Step 4: Simplify right side
    8,163.59x = 62,151,545.46
  5. Step 5: Solve for x
    x = 62,151,545.46/8,163.59
  6. Step 6: Final answer
    x = 7,613.27

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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.