Home / 10,731.66-16,086.79-5,099.45

Finding the Fourth Proportional to 10,731.66, 16,086.79 and 5,099.45

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Solution

The fourth proportional to 10,731.66, 16,086.79 and 5,099.45 is: 7,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.66 : 16,086.79 = 5,099.45 : x
  2. Step 2: Convert to fraction form
    10,731.66/16,086.79 = 5,099.45/x
  3. Step 3: Cross multiply
    10,731.66x = 16,086.79 × 5,099.45
  4. Step 4: Simplify right side
    10,731.66x = 82,033,688.08
  5. Step 5: Solve for x
    x = 82,033,688.08/10,731.66
  6. Step 6: Final answer
    x = 7,644.08

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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.