Home / 6,932.38-10,400.20-4,742.14

Finding the Fourth Proportional to 6,932.38, 10,400.20 and 4,742.14

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Solution

The fourth proportional to 6,932.38, 10,400.20 and 4,742.14 is: 7,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.38 : 10,400.20 = 4,742.14 : x
  2. Step 2: Convert to fraction form
    6,932.38/10,400.20 = 4,742.14/x
  3. Step 3: Cross multiply
    6,932.38x = 10,400.20 × 4,742.14
  4. Step 4: Simplify right side
    6,932.38x = 49,319,204.43
  5. Step 5: Solve for x
    x = 49,319,204.43/6,932.38
  6. Step 6: Final answer
    x = 7,114.33

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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.