Home / 10,982.72-15,156.42-6,267.44

Finding the Fourth Proportional to 10,982.72, 15,156.42 and 6,267.44

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Solution

The fourth proportional to 10,982.72, 15,156.42 and 6,267.44 is: 8,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.72 : 15,156.42 = 6,267.44 : x
  2. Step 2: Convert to fraction form
    10,982.72/15,156.42 = 6,267.44/x
  3. Step 3: Cross multiply
    10,982.72x = 15,156.42 × 6,267.44
  4. Step 4: Simplify right side
    10,982.72x = 94,991,967.35
  5. Step 5: Solve for x
    x = 94,991,967.35/10,982.72
  6. Step 6: Final answer
    x = 8,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.