Home / 8,366.33-11,545.79-4,640.25

Finding the Fourth Proportional to 8,366.33, 11,545.79 and 4,640.25

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Solution

The fourth proportional to 8,366.33, 11,545.79 and 4,640.25 is: 6,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.33 : 11,545.79 = 4,640.25 : x
  2. Step 2: Convert to fraction form
    8,366.33/11,545.79 = 4,640.25/x
  3. Step 3: Cross multiply
    8,366.33x = 11,545.79 × 4,640.25
  4. Step 4: Simplify right side
    8,366.33x = 53,575,328.85
  5. Step 5: Solve for x
    x = 53,575,328.85/8,366.33
  6. Step 6: Final answer
    x = 6,403.68

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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.