Home / 7,926.46-10,937.62-4,388.78

Finding the Fourth Proportional to 7,926.46, 10,937.62 and 4,388.78

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Solution

The fourth proportional to 7,926.46, 10,937.62 and 4,388.78 is: 6,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.46 : 10,937.62 = 4,388.78 : x
  2. Step 2: Convert to fraction form
    7,926.46/10,937.62 = 4,388.78/x
  3. Step 3: Cross multiply
    7,926.46x = 10,937.62 × 4,388.78
  4. Step 4: Simplify right side
    7,926.46x = 48,002,807.90
  5. Step 5: Solve for x
    x = 48,002,807.90/7,926.46
  6. Step 6: Final answer
    x = 6,056.02

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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.