Home / 10,961.78-16,451.87-5,700.02

Finding the Fourth Proportional to 10,961.78, 16,451.87 and 5,700.02

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Solution

The fourth proportional to 10,961.78, 16,451.87 and 5,700.02 is: 8,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.78 : 16,451.87 = 5,700.02 : x
  2. Step 2: Convert to fraction form
    10,961.78/16,451.87 = 5,700.02/x
  3. Step 3: Cross multiply
    10,961.78x = 16,451.87 × 5,700.02
  4. Step 4: Simplify right side
    10,961.78x = 93,775,959.54
  5. Step 5: Solve for x
    x = 93,775,959.54/10,961.78
  6. Step 6: Final answer
    x = 8,554.81

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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.