Home / 11,035.32-16,551.26-3,138.20

Finding the Fourth Proportional to 11,035.32, 16,551.26 and 3,138.20

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Solution

The fourth proportional to 11,035.32, 16,551.26 and 3,138.20 is: 4,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.32 : 16,551.26 = 3,138.20 : x
  2. Step 2: Convert to fraction form
    11,035.32/16,551.26 = 3,138.20/x
  3. Step 3: Cross multiply
    11,035.32x = 16,551.26 × 3,138.20
  4. Step 4: Simplify right side
    11,035.32x = 51,941,164.13
  5. Step 5: Solve for x
    x = 51,941,164.13/11,035.32
  6. Step 6: Final answer
    x = 4,706.81

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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.