Home / 11,107.20-16,660.80-10,473.60

Finding the Fourth Proportional to 11,107.20, 16,660.80 and 10,473.60

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Solution

The fourth proportional to 11,107.20, 16,660.80 and 10,473.60 is: 15,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.20 : 16,660.80 = 10,473.60 : x
  2. Step 2: Convert to fraction form
    11,107.20/16,660.80 = 10,473.60/x
  3. Step 3: Cross multiply
    11,107.20x = 16,660.80 × 10,473.60
  4. Step 4: Simplify right side
    11,107.20x = 174,498,554.88
  5. Step 5: Solve for x
    x = 174,498,554.88/11,107.20
  6. Step 6: Final answer
    x = 15,710.40

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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.