Home / 7,168.38-10,742.85-5,326.44

Finding the Fourth Proportional to 7,168.38, 10,742.85 and 5,326.44

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Solution

The fourth proportional to 7,168.38, 10,742.85 and 5,326.44 is: 7,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.38 : 10,742.85 = 5,326.44 : x
  2. Step 2: Convert to fraction form
    7,168.38/10,742.85 = 5,326.44/x
  3. Step 3: Cross multiply
    7,168.38x = 10,742.85 × 5,326.44
  4. Step 4: Simplify right side
    7,168.38x = 57,221,145.95
  5. Step 5: Solve for x
    x = 57,221,145.95/7,168.38
  6. Step 6: Final answer
    x = 7,982.44

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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.