Home / 11,005.28-16,508.08-3,610.32

Finding the Fourth Proportional to 11,005.28, 16,508.08 and 3,610.32

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Solution

The fourth proportional to 11,005.28, 16,508.08 and 3,610.32 is: 5,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.28 : 16,508.08 = 3,610.32 : x
  2. Step 2: Convert to fraction form
    11,005.28/16,508.08 = 3,610.32/x
  3. Step 3: Cross multiply
    11,005.28x = 16,508.08 × 3,610.32
  4. Step 4: Simplify right side
    11,005.28x = 59,599,451.39
  5. Step 5: Solve for x
    x = 59,599,451.39/11,005.28
  6. Step 6: Final answer
    x = 5,415.53

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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.