Home / 6,123.45-9,186.62-1,740.94

Finding the Fourth Proportional to 6,123.45, 9,186.62 and 1,740.94

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Solution

The fourth proportional to 6,123.45, 9,186.62 and 1,740.94 is: 2,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.45 : 9,186.62 = 1,740.94 : x
  2. Step 2: Convert to fraction form
    6,123.45/9,186.62 = 1,740.94/x
  3. Step 3: Cross multiply
    6,123.45x = 9,186.62 × 1,740.94
  4. Step 4: Simplify right side
    6,123.45x = 15,993,374.23
  5. Step 5: Solve for x
    x = 15,993,374.23/6,123.45
  6. Step 6: Final answer
    x = 2,611.82

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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.