Home / 11,491.20-17,214.16-6,545.92

Finding the Fourth Proportional to 11,491.20, 17,214.16 and 6,545.92

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Solution

The fourth proportional to 11,491.20, 17,214.16 and 6,545.92 is: 9,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.20 : 17,214.16 = 6,545.92 : x
  2. Step 2: Convert to fraction form
    11,491.20/17,214.16 = 6,545.92/x
  3. Step 3: Cross multiply
    11,491.20x = 17,214.16 × 6,545.92
  4. Step 4: Simplify right side
    11,491.20x = 112,682,514.23
  5. Step 5: Solve for x
    x = 112,682,514.23/11,491.20
  6. Step 6: Final answer
    x = 9,805.98

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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.