Home / 9,340.08-12,882.96-7,933.20

Finding the Fourth Proportional to 9,340.08, 12,882.96 and 7,933.20

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Solution

The fourth proportional to 9,340.08, 12,882.96 and 7,933.20 is: 10,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.08 : 12,882.96 = 7,933.20 : x
  2. Step 2: Convert to fraction form
    9,340.08/12,882.96 = 7,933.20/x
  3. Step 3: Cross multiply
    9,340.08x = 12,882.96 × 7,933.20
  4. Step 4: Simplify right side
    9,340.08x = 102,203,098.27
  5. Step 5: Solve for x
    x = 102,203,098.27/9,340.08
  6. Step 6: Final answer
    x = 10,942.42

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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.