Home / 8,293.12-11,434.40-5,777.44

Finding the Fourth Proportional to 8,293.12, 11,434.40 and 5,777.44

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Solution

The fourth proportional to 8,293.12, 11,434.40 and 5,777.44 is: 7,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.12 : 11,434.40 = 5,777.44 : x
  2. Step 2: Convert to fraction form
    8,293.12/11,434.40 = 5,777.44/x
  3. Step 3: Cross multiply
    8,293.12x = 11,434.40 × 5,777.44
  4. Step 4: Simplify right side
    8,293.12x = 66,061,559.94
  5. Step 5: Solve for x
    x = 66,061,559.94/8,293.12
  6. Step 6: Final answer
    x = 7,965.83

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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.