Home / 9,723.78-13,404.46-6,882.32

Finding the Fourth Proportional to 9,723.78, 13,404.46 and 6,882.32

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Solution

The fourth proportional to 9,723.78, 13,404.46 and 6,882.32 is: 9,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.78 : 13,404.46 = 6,882.32 : x
  2. Step 2: Convert to fraction form
    9,723.78/13,404.46 = 6,882.32/x
  3. Step 3: Cross multiply
    9,723.78x = 13,404.46 × 6,882.32
  4. Step 4: Simplify right side
    9,723.78x = 92,253,783.15
  5. Step 5: Solve for x
    x = 92,253,783.15/9,723.78
  6. Step 6: Final answer
    x = 9,487.44

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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.