Home / 6,927.12-9,558.54-3,942.54

Finding the Fourth Proportional to 6,927.12, 9,558.54 and 3,942.54

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Solution

The fourth proportional to 6,927.12, 9,558.54 and 3,942.54 is: 5,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.12 : 9,558.54 = 3,942.54 : x
  2. Step 2: Convert to fraction form
    6,927.12/9,558.54 = 3,942.54/x
  3. Step 3: Cross multiply
    6,927.12x = 9,558.54 × 3,942.54
  4. Step 4: Simplify right side
    6,927.12x = 37,684,926.29
  5. Step 5: Solve for x
    x = 37,684,926.29/6,927.12
  6. Step 6: Final answer
    x = 5,440.20

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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.