Home / 10,351.28-14,284.38-5,635.44

Finding the Fourth Proportional to 10,351.28, 14,284.38 and 5,635.44

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Solution

The fourth proportional to 10,351.28, 14,284.38 and 5,635.44 is: 7,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.28 : 14,284.38 = 5,635.44 : x
  2. Step 2: Convert to fraction form
    10,351.28/14,284.38 = 5,635.44/x
  3. Step 3: Cross multiply
    10,351.28x = 14,284.38 × 5,635.44
  4. Step 4: Simplify right side
    10,351.28x = 80,498,766.43
  5. Step 5: Solve for x
    x = 80,498,766.43/10,351.28
  6. Step 6: Final answer
    x = 7,776.70

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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.