Home / 11,545.71-17,319.78-5,696.70

Finding the Fourth Proportional to 11,545.71, 17,319.78 and 5,696.70

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Solution

The fourth proportional to 11,545.71, 17,319.78 and 5,696.70 is: 8,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.71 : 17,319.78 = 5,696.70 : x
  2. Step 2: Convert to fraction form
    11,545.71/17,319.78 = 5,696.70/x
  3. Step 3: Cross multiply
    11,545.71x = 17,319.78 × 5,696.70
  4. Step 4: Simplify right side
    11,545.71x = 98,665,590.73
  5. Step 5: Solve for x
    x = 98,665,590.73/11,545.71
  6. Step 6: Final answer
    x = 8,545.65

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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.