Home / 11,545.59-17,315.31-3,225.09

Finding the Fourth Proportional to 11,545.59, 17,315.31 and 3,225.09

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Solution

The fourth proportional to 11,545.59, 17,315.31 and 3,225.09 is: 4,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.59 : 17,315.31 = 3,225.09 : x
  2. Step 2: Convert to fraction form
    11,545.59/17,315.31 = 3,225.09/x
  3. Step 3: Cross multiply
    11,545.59x = 17,315.31 × 3,225.09
  4. Step 4: Simplify right side
    11,545.59x = 55,843,433.13
  5. Step 5: Solve for x
    x = 55,843,433.13/11,545.59
  6. Step 6: Final answer
    x = 4,836.78

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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.