Home / 8,178.22-11,288.11-5,037.04

Finding the Fourth Proportional to 8,178.22, 11,288.11 and 5,037.04

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Solution

The fourth proportional to 8,178.22, 11,288.11 and 5,037.04 is: 6,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.22 : 11,288.11 = 5,037.04 : x
  2. Step 2: Convert to fraction form
    8,178.22/11,288.11 = 5,037.04/x
  3. Step 3: Cross multiply
    8,178.22x = 11,288.11 × 5,037.04
  4. Step 4: Simplify right side
    8,178.22x = 56,858,661.59
  5. Step 5: Solve for x
    x = 56,858,661.59/8,178.22
  6. Step 6: Final answer
    x = 6,952.45

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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.