Home / 11,236.40-16,847.40-4,665.20

Finding the Fourth Proportional to 11,236.40, 16,847.40 and 4,665.20

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Solution

The fourth proportional to 11,236.40, 16,847.40 and 4,665.20 is: 6,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.40 : 16,847.40 = 4,665.20 : x
  2. Step 2: Convert to fraction form
    11,236.40/16,847.40 = 4,665.20/x
  3. Step 3: Cross multiply
    11,236.40x = 16,847.40 × 4,665.20
  4. Step 4: Simplify right side
    11,236.40x = 78,596,490.48
  5. Step 5: Solve for x
    x = 78,596,490.48/11,236.40
  6. Step 6: Final answer
    x = 6,994.81

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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.