Home / 11,155.61-16,733.19-2,722.16

Finding the Fourth Proportional to 11,155.61, 16,733.19 and 2,722.16

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Solution

The fourth proportional to 11,155.61, 16,733.19 and 2,722.16 is: 4,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.61 : 16,733.19 = 2,722.16 : x
  2. Step 2: Convert to fraction form
    11,155.61/16,733.19 = 2,722.16/x
  3. Step 3: Cross multiply
    11,155.61x = 16,733.19 × 2,722.16
  4. Step 4: Simplify right side
    11,155.61x = 45,550,420.49
  5. Step 5: Solve for x
    x = 45,550,420.49/11,155.61
  6. Step 6: Final answer
    x = 4,083.19

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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.