Home / 8,255.08-11,395.38-5,740.84

Finding the Fourth Proportional to 8,255.08, 11,395.38 and 5,740.84

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Solution

The fourth proportional to 8,255.08, 11,395.38 and 5,740.84 is: 7,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.08 : 11,395.38 = 5,740.84 : x
  2. Step 2: Convert to fraction form
    8,255.08/11,395.38 = 5,740.84/x
  3. Step 3: Cross multiply
    8,255.08x = 11,395.38 × 5,740.84
  4. Step 4: Simplify right side
    8,255.08x = 65,419,053.32
  5. Step 5: Solve for x
    x = 65,419,053.32/8,255.08
  6. Step 6: Final answer
    x = 7,924.70

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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.