Home / 10,749.04-16,121.88-4,824.70

Finding the Fourth Proportional to 10,749.04, 16,121.88 and 4,824.70

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Solution

The fourth proportional to 10,749.04, 16,121.88 and 4,824.70 is: 7,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.04 : 16,121.88 = 4,824.70 : x
  2. Step 2: Convert to fraction form
    10,749.04/16,121.88 = 4,824.70/x
  3. Step 3: Cross multiply
    10,749.04x = 16,121.88 × 4,824.70
  4. Step 4: Simplify right side
    10,749.04x = 77,783,234.44
  5. Step 5: Solve for x
    x = 77,783,234.44/10,749.04
  6. Step 6: Final answer
    x = 7,236.30

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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.