Home / 8,251.00-11,385.35-5,268.58

Finding the Fourth Proportional to 8,251.00, 11,385.35 and 5,268.58

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Solution

The fourth proportional to 8,251.00, 11,385.35 and 5,268.58 is: 7,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.00 : 11,385.35 = 5,268.58 : x
  2. Step 2: Convert to fraction form
    8,251.00/11,385.35 = 5,268.58/x
  3. Step 3: Cross multiply
    8,251.00x = 11,385.35 × 5,268.58
  4. Step 4: Simplify right side
    8,251.00x = 59,984,570.38
  5. Step 5: Solve for x
    x = 59,984,570.38/8,251.00
  6. Step 6: Final answer
    x = 7,269.98

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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.