Home / 8,530.11-11,773.76-5,553.36

Finding the Fourth Proportional to 8,530.11, 11,773.76 and 5,553.36

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Solution

The fourth proportional to 8,530.11, 11,773.76 and 5,553.36 is: 7,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.11 : 11,773.76 = 5,553.36 : x
  2. Step 2: Convert to fraction form
    8,530.11/11,773.76 = 5,553.36/x
  3. Step 3: Cross multiply
    8,530.11x = 11,773.76 × 5,553.36
  4. Step 4: Simplify right side
    8,530.11x = 65,383,900.07
  5. Step 5: Solve for x
    x = 65,383,900.07/8,530.11
  6. Step 6: Final answer
    x = 7,665.07

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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.