Home / 10,722.28-16,084.02-2,930.92

Finding the Fourth Proportional to 10,722.28, 16,084.02 and 2,930.92

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Solution

The fourth proportional to 10,722.28, 16,084.02 and 2,930.92 is: 4,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.28 : 16,084.02 = 2,930.92 : x
  2. Step 2: Convert to fraction form
    10,722.28/16,084.02 = 2,930.92/x
  3. Step 3: Cross multiply
    10,722.28x = 16,084.02 × 2,930.92
  4. Step 4: Simplify right side
    10,722.28x = 47,140,975.90
  5. Step 5: Solve for x
    x = 47,140,975.90/10,722.28
  6. Step 6: Final answer
    x = 4,396.54

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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.