Home / 11,325.33-16,990.43-3,534.75

Finding the Fourth Proportional to 11,325.33, 16,990.43 and 3,534.75

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Solution

The fourth proportional to 11,325.33, 16,990.43 and 3,534.75 is: 5,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.33 : 16,990.43 = 3,534.75 : x
  2. Step 2: Convert to fraction form
    11,325.33/16,990.43 = 3,534.75/x
  3. Step 3: Cross multiply
    11,325.33x = 16,990.43 × 3,534.75
  4. Step 4: Simplify right side
    11,325.33x = 60,056,904.77
  5. Step 5: Solve for x
    x = 60,056,904.77/11,325.33
  6. Step 6: Final answer
    x = 5,302.88

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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.