Home / 10,983.60-16,475.40-3,193.20

Finding the Fourth Proportional to 10,983.60, 16,475.40 and 3,193.20

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Solution

The fourth proportional to 10,983.60, 16,475.40 and 3,193.20 is: 4,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.60 : 16,475.40 = 3,193.20 : x
  2. Step 2: Convert to fraction form
    10,983.60/16,475.40 = 3,193.20/x
  3. Step 3: Cross multiply
    10,983.60x = 16,475.40 × 3,193.20
  4. Step 4: Simplify right side
    10,983.60x = 52,609,247.28
  5. Step 5: Solve for x
    x = 52,609,247.28/10,983.60
  6. Step 6: Final answer
    x = 4,789.80

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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.