Home / 10,659.72-15,996.84-5,469.24

Finding the Fourth Proportional to 10,659.72, 15,996.84 and 5,469.24

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Solution

The fourth proportional to 10,659.72, 15,996.84 and 5,469.24 is: 8,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.72 : 15,996.84 = 5,469.24 : x
  2. Step 2: Convert to fraction form
    10,659.72/15,996.84 = 5,469.24/x
  3. Step 3: Cross multiply
    10,659.72x = 15,996.84 × 5,469.24
  4. Step 4: Simplify right side
    10,659.72x = 87,490,557.20
  5. Step 5: Solve for x
    x = 87,490,557.20/10,659.72
  6. Step 6: Final answer
    x = 8,207.58

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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.