Home / 11,330.78-16,998.60-4,753.17

Finding the Fourth Proportional to 11,330.78, 16,998.60 and 4,753.17

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Solution

The fourth proportional to 11,330.78, 16,998.60 and 4,753.17 is: 7,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.78 : 16,998.60 = 4,753.17 : x
  2. Step 2: Convert to fraction form
    11,330.78/16,998.60 = 4,753.17/x
  3. Step 3: Cross multiply
    11,330.78x = 16,998.60 × 4,753.17
  4. Step 4: Simplify right side
    11,330.78x = 80,797,299.31
  5. Step 5: Solve for x
    x = 80,797,299.31/11,330.78
  6. Step 6: Final answer
    x = 7,130.78

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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.