Home / 9,051.09-12,481.76-6,361.44

Finding the Fourth Proportional to 9,051.09, 12,481.76 and 6,361.44

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Solution

The fourth proportional to 9,051.09, 12,481.76 and 6,361.44 is: 8,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.09 : 12,481.76 = 6,361.44 : x
  2. Step 2: Convert to fraction form
    9,051.09/12,481.76 = 6,361.44/x
  3. Step 3: Cross multiply
    9,051.09x = 12,481.76 × 6,361.44
  4. Step 4: Simplify right side
    9,051.09x = 79,401,935.53
  5. Step 5: Solve for x
    x = 79,401,935.53/9,051.09
  6. Step 6: Final answer
    x = 8,772.64

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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.