Home / 10,983.30-16,466.85-4,738.20

Finding the Fourth Proportional to 10,983.30, 16,466.85 and 4,738.20

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Solution

The fourth proportional to 10,983.30, 16,466.85 and 4,738.20 is: 7,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.30 : 16,466.85 = 4,738.20 : x
  2. Step 2: Convert to fraction form
    10,983.30/16,466.85 = 4,738.20/x
  3. Step 3: Cross multiply
    10,983.30x = 16,466.85 × 4,738.20
  4. Step 4: Simplify right side
    10,983.30x = 78,023,228.67
  5. Step 5: Solve for x
    x = 78,023,228.67/10,983.30
  6. Step 6: Final answer
    x = 7,103.81

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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.