Home / 10,724.55-16,072.65-4,477.02

Finding the Fourth Proportional to 10,724.55, 16,072.65 and 4,477.02

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Solution

The fourth proportional to 10,724.55, 16,072.65 and 4,477.02 is: 6,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.55 : 16,072.65 = 4,477.02 : x
  2. Step 2: Convert to fraction form
    10,724.55/16,072.65 = 4,477.02/x
  3. Step 3: Cross multiply
    10,724.55x = 16,072.65 × 4,477.02
  4. Step 4: Simplify right side
    10,724.55x = 71,957,575.50
  5. Step 5: Solve for x
    x = 71,957,575.50/10,724.55
  6. Step 6: Final answer
    x = 6,709.61

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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.