Home / 6,648.11-9,174.48-3,663.88

Finding the Fourth Proportional to 6,648.11, 9,174.48 and 3,663.88

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Solution

The fourth proportional to 6,648.11, 9,174.48 and 3,663.88 is: 5,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.11 : 9,174.48 = 3,663.88 : x
  2. Step 2: Convert to fraction form
    6,648.11/9,174.48 = 3,663.88/x
  3. Step 3: Cross multiply
    6,648.11x = 9,174.48 × 3,663.88
  4. Step 4: Simplify right side
    6,648.11x = 33,614,193.78
  5. Step 5: Solve for x
    x = 33,614,193.78/6,648.11
  6. Step 6: Final answer
    x = 5,056.20

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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.