Home / 11,106.42-16,662.36-7,825.92

Finding the Fourth Proportional to 11,106.42, 16,662.36 and 7,825.92

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Solution

The fourth proportional to 11,106.42, 16,662.36 and 7,825.92 is: 11,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.42 : 16,662.36 = 7,825.92 : x
  2. Step 2: Convert to fraction form
    11,106.42/16,662.36 = 7,825.92/x
  3. Step 3: Cross multiply
    11,106.42x = 16,662.36 × 7,825.92
  4. Step 4: Simplify right side
    11,106.42x = 130,398,296.37
  5. Step 5: Solve for x
    x = 130,398,296.37/11,106.42
  6. Step 6: Final answer
    x = 11,740.80

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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.