Home / 8,175.12-11,281.71-4,637.64

Finding the Fourth Proportional to 8,175.12, 11,281.71 and 4,637.64

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Solution

The fourth proportional to 8,175.12, 11,281.71 and 4,637.64 is: 6,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.12 : 11,281.71 = 4,637.64 : x
  2. Step 2: Convert to fraction form
    8,175.12/11,281.71 = 4,637.64/x
  3. Step 3: Cross multiply
    8,175.12x = 11,281.71 × 4,637.64
  4. Step 4: Simplify right side
    8,175.12x = 52,320,509.56
  5. Step 5: Solve for x
    x = 52,320,509.56/8,175.12
  6. Step 6: Final answer
    x = 6,399.97

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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.