Home / 10,996.20-16,470.33-5,715.27

Finding the Fourth Proportional to 10,996.20, 16,470.33 and 5,715.27

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Solution

The fourth proportional to 10,996.20, 16,470.33 and 5,715.27 is: 8,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.20 : 16,470.33 = 5,715.27 : x
  2. Step 2: Convert to fraction form
    10,996.20/16,470.33 = 5,715.27/x
  3. Step 3: Cross multiply
    10,996.20x = 16,470.33 × 5,715.27
  4. Step 4: Simplify right side
    10,996.20x = 94,132,382.94
  5. Step 5: Solve for x
    x = 94,132,382.94/10,996.20
  6. Step 6: Final answer
    x = 8,560.45

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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.