Home / 11,847.42-16,350.12-7,133.22

Finding the Fourth Proportional to 11,847.42, 16,350.12 and 7,133.22

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Solution

The fourth proportional to 11,847.42, 16,350.12 and 7,133.22 is: 9,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.42 : 16,350.12 = 7,133.22 : x
  2. Step 2: Convert to fraction form
    11,847.42/16,350.12 = 7,133.22/x
  3. Step 3: Cross multiply
    11,847.42x = 16,350.12 × 7,133.22
  4. Step 4: Simplify right side
    11,847.42x = 116,629,002.99
  5. Step 5: Solve for x
    x = 116,629,002.99/11,847.42
  6. Step 6: Final answer
    x = 9,844.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.