Home / 11,081.45-16,609.47-4,411.71

Finding the Fourth Proportional to 11,081.45, 16,609.47 and 4,411.71

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Solution

The fourth proportional to 11,081.45, 16,609.47 and 4,411.71 is: 6,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.45 : 16,609.47 = 4,411.71 : x
  2. Step 2: Convert to fraction form
    11,081.45/16,609.47 = 4,411.71/x
  3. Step 3: Cross multiply
    11,081.45x = 16,609.47 × 4,411.71
  4. Step 4: Simplify right side
    11,081.45x = 73,276,164.89
  5. Step 5: Solve for x
    x = 73,276,164.89/11,081.45
  6. Step 6: Final answer
    x = 6,612.51

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Double scale
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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.