Home / 8,170.80-11,275.34-4,634.24

Finding the Fourth Proportional to 8,170.80, 11,275.34 and 4,634.24

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Solution

The fourth proportional to 8,170.80, 11,275.34 and 4,634.24 is: 6,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.80 : 11,275.34 = 4,634.24 : x
  2. Step 2: Convert to fraction form
    8,170.80/11,275.34 = 4,634.24/x
  3. Step 3: Cross multiply
    8,170.80x = 11,275.34 × 4,634.24
  4. Step 4: Simplify right side
    8,170.80x = 52,252,631.64
  5. Step 5: Solve for x
    x = 52,252,631.64/8,170.80
  6. Step 6: Final answer
    x = 6,395.04

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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.