Home / 8,785.15-13,182.05-4,105.48

Finding the Fourth Proportional to 8,785.15, 13,182.05 and 4,105.48

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Solution

The fourth proportional to 8,785.15, 13,182.05 and 4,105.48 is: 6,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.15 : 13,182.05 = 4,105.48 : x
  2. Step 2: Convert to fraction form
    8,785.15/13,182.05 = 4,105.48/x
  3. Step 3: Cross multiply
    8,785.15x = 13,182.05 × 4,105.48
  4. Step 4: Simplify right side
    8,785.15x = 54,118,619.94
  5. Step 5: Solve for x
    x = 54,118,619.94/8,785.15
  6. Step 6: Final answer
    x = 6,160.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.