Home / 11,171.12-16,751.52-10,295.60

Finding the Fourth Proportional to 11,171.12, 16,751.52 and 10,295.60

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Solution

The fourth proportional to 11,171.12, 16,751.52 and 10,295.60 is: 15,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.12 : 16,751.52 = 10,295.60 : x
  2. Step 2: Convert to fraction form
    11,171.12/16,751.52 = 10,295.60/x
  3. Step 3: Cross multiply
    11,171.12x = 16,751.52 × 10,295.60
  4. Step 4: Simplify right side
    11,171.12x = 172,466,949.31
  5. Step 5: Solve for x
    x = 172,466,949.31/11,171.12
  6. Step 6: Final answer
    x = 15,438.64

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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.