Home / 11,161.53-16,742.03-2,841.56

Finding the Fourth Proportional to 11,161.53, 16,742.03 and 2,841.56

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Solution

The fourth proportional to 11,161.53, 16,742.03 and 2,841.56 is: 4,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.53 : 16,742.03 = 2,841.56 : x
  2. Step 2: Convert to fraction form
    11,161.53/16,742.03 = 2,841.56/x
  3. Step 3: Cross multiply
    11,161.53x = 16,742.03 × 2,841.56
  4. Step 4: Simplify right side
    11,161.53x = 47,573,541.81
  5. Step 5: Solve for x
    x = 47,573,541.81/11,161.53
  6. Step 6: Final answer
    x = 4,262.28

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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.