Home / 11,272.32-16,833.60-11,150.28

Finding the Fourth Proportional to 11,272.32, 16,833.60 and 11,150.28

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Solution

The fourth proportional to 11,272.32, 16,833.60 and 11,150.28 is: 16,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.32 : 16,833.60 = 11,150.28 : x
  2. Step 2: Convert to fraction form
    11,272.32/16,833.60 = 11,150.28/x
  3. Step 3: Cross multiply
    11,272.32x = 16,833.60 × 11,150.28
  4. Step 4: Simplify right side
    11,272.32x = 187,699,353.41
  5. Step 5: Solve for x
    x = 187,699,353.41/11,272.32
  6. Step 6: Final answer
    x = 16,651.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.