Home / 8,312.09-11,469.86-5,799.59

Finding the Fourth Proportional to 8,312.09, 11,469.86 and 5,799.59

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Solution

The fourth proportional to 8,312.09, 11,469.86 and 5,799.59 is: 8,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.09 : 11,469.86 = 5,799.59 : x
  2. Step 2: Convert to fraction form
    8,312.09/11,469.86 = 5,799.59/x
  3. Step 3: Cross multiply
    8,312.09x = 11,469.86 × 5,799.59
  4. Step 4: Simplify right side
    8,312.09x = 66,520,485.03
  5. Step 5: Solve for x
    x = 66,520,485.03/8,312.09
  6. Step 6: Final answer
    x = 8,002.86

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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.