Home / 10,801.51-16,187.68-5,611.03

Finding the Fourth Proportional to 10,801.51, 16,187.68 and 5,611.03

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Solution

The fourth proportional to 10,801.51, 16,187.68 and 5,611.03 is: 8,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.51 : 16,187.68 = 5,611.03 : x
  2. Step 2: Convert to fraction form
    10,801.51/16,187.68 = 5,611.03/x
  3. Step 3: Cross multiply
    10,801.51x = 16,187.68 × 5,611.03
  4. Step 4: Simplify right side
    10,801.51x = 90,829,449.12
  5. Step 5: Solve for x
    x = 90,829,449.12/10,801.51
  6. Step 6: Final answer
    x = 8,408.96

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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.