Home / 30,909.15-46,363.76-11,183.09

Finding the Fourth Proportional to 30,909.15, 46,363.76 and 11,183.09

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Solution

The fourth proportional to 30,909.15, 46,363.76 and 11,183.09 is: 16,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.15 : 46,363.76 = 11,183.09 : x
  2. Step 2: Convert to fraction form
    30,909.15/46,363.76 = 11,183.09/x
  3. Step 3: Cross multiply
    30,909.15x = 46,363.76 × 11,183.09
  4. Step 4: Simplify right side
    30,909.15x = 518,489,813.08
  5. Step 5: Solve for x
    x = 518,489,813.08/30,909.15
  6. Step 6: Final answer
    x = 16,774.64

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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.