Home / 10,414.62-15,607.41-5,728.98

Finding the Fourth Proportional to 10,414.62, 15,607.41 and 5,728.98

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Solution

The fourth proportional to 10,414.62, 15,607.41 and 5,728.98 is: 8,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.62 : 15,607.41 = 5,728.98 : x
  2. Step 2: Convert to fraction form
    10,414.62/15,607.41 = 5,728.98/x
  3. Step 3: Cross multiply
    10,414.62x = 15,607.41 × 5,728.98
  4. Step 4: Simplify right side
    10,414.62x = 89,414,539.74
  5. Step 5: Solve for x
    x = 89,414,539.74/10,414.62
  6. Step 6: Final answer
    x = 8,585.48

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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.