Home / 8,047.72-11,090.82-6,276.52

Finding the Fourth Proportional to 8,047.72, 11,090.82 and 6,276.52

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Solution

The fourth proportional to 8,047.72, 11,090.82 and 6,276.52 is: 8,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.72 : 11,090.82 = 6,276.52 : x
  2. Step 2: Convert to fraction form
    8,047.72/11,090.82 = 6,276.52/x
  3. Step 3: Cross multiply
    8,047.72x = 11,090.82 × 6,276.52
  4. Step 4: Simplify right side
    8,047.72x = 69,611,753.55
  5. Step 5: Solve for x
    x = 69,611,753.55/8,047.72
  6. Step 6: Final answer
    x = 8,649.87

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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.