Home / 8,108.40-11,174.30-5,866.48

Finding the Fourth Proportional to 8,108.40, 11,174.30 and 5,866.48

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Solution

The fourth proportional to 8,108.40, 11,174.30 and 5,866.48 is: 8,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.40 : 11,174.30 = 5,866.48 : x
  2. Step 2: Convert to fraction form
    8,108.40/11,174.30 = 5,866.48/x
  3. Step 3: Cross multiply
    8,108.40x = 11,174.30 × 5,866.48
  4. Step 4: Simplify right side
    8,108.40x = 65,553,807.46
  5. Step 5: Solve for x
    x = 65,553,807.46/8,108.40
  6. Step 6: Final answer
    x = 8,084.68

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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.