Home / 9,127.78-12,596.34-4,936.03

Finding the Fourth Proportional to 9,127.78, 12,596.34 and 4,936.03

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Solution

The fourth proportional to 9,127.78, 12,596.34 and 4,936.03 is: 6,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.78 : 12,596.34 = 4,936.03 : x
  2. Step 2: Convert to fraction form
    9,127.78/12,596.34 = 4,936.03/x
  3. Step 3: Cross multiply
    9,127.78x = 12,596.34 × 4,936.03
  4. Step 4: Simplify right side
    9,127.78x = 62,175,912.13
  5. Step 5: Solve for x
    x = 62,175,912.13/9,127.78
  6. Step 6: Final answer
    x = 6,811.72

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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.