Home / 11,161.12-16,742.24-4,236.16

Finding the Fourth Proportional to 11,161.12, 16,742.24 and 4,236.16

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Solution

The fourth proportional to 11,161.12, 16,742.24 and 4,236.16 is: 6,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.12 : 16,742.24 = 4,236.16 : x
  2. Step 2: Convert to fraction form
    11,161.12/16,742.24 = 4,236.16/x
  3. Step 3: Cross multiply
    11,161.12x = 16,742.24 × 4,236.16
  4. Step 4: Simplify right side
    11,161.12x = 70,922,807.40
  5. Step 5: Solve for x
    x = 70,922,807.40/11,161.12
  6. Step 6: Final answer
    x = 6,354.45

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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.