Home / 6,524.36-9,003.64-3,871.72

Finding the Fourth Proportional to 6,524.36, 9,003.64 and 3,871.72

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Solution

The fourth proportional to 6,524.36, 9,003.64 and 3,871.72 is: 5,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.36 : 9,003.64 = 3,871.72 : x
  2. Step 2: Convert to fraction form
    6,524.36/9,003.64 = 3,871.72/x
  3. Step 3: Cross multiply
    6,524.36x = 9,003.64 × 3,871.72
  4. Step 4: Simplify right side
    6,524.36x = 34,859,573.06
  5. Step 5: Solve for x
    x = 34,859,573.06/6,524.36
  6. Step 6: Final answer
    x = 5,342.99

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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.