Home / 8,747.96-13,122.48-2,174.30

Finding the Fourth Proportional to 8,747.96, 13,122.48 and 2,174.30

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Solution

The fourth proportional to 8,747.96, 13,122.48 and 2,174.30 is: 3,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.96 : 13,122.48 = 2,174.30 : x
  2. Step 2: Convert to fraction form
    8,747.96/13,122.48 = 2,174.30/x
  3. Step 3: Cross multiply
    8,747.96x = 13,122.48 × 2,174.30
  4. Step 4: Simplify right side
    8,747.96x = 28,532,208.26
  5. Step 5: Solve for x
    x = 28,532,208.26/8,747.96
  6. Step 6: Final answer
    x = 3,261.58

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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.