Home / 12,545.30-18,814.68-5,958.38

Finding the Fourth Proportional to 12,545.30, 18,814.68 and 5,958.38

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Solution

The fourth proportional to 12,545.30, 18,814.68 and 5,958.38 is: 8,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.30 : 18,814.68 = 5,958.38 : x
  2. Step 2: Convert to fraction form
    12,545.30/18,814.68 = 5,958.38/x
  3. Step 3: Cross multiply
    12,545.30x = 18,814.68 × 5,958.38
  4. Step 4: Simplify right side
    12,545.30x = 112,105,013.02
  5. Step 5: Solve for x
    x = 112,105,013.02/12,545.30
  6. Step 6: Final answer
    x = 8,936.02

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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.