Home / 8,528.36-11,772.41-4,992.71

Finding the Fourth Proportional to 8,528.36, 11,772.41 and 4,992.71

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Solution

The fourth proportional to 8,528.36, 11,772.41 and 4,992.71 is: 6,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.36 : 11,772.41 = 4,992.71 : x
  2. Step 2: Convert to fraction form
    8,528.36/11,772.41 = 4,992.71/x
  3. Step 3: Cross multiply
    8,528.36x = 11,772.41 × 4,992.71
  4. Step 4: Simplify right side
    8,528.36x = 58,776,145.31
  5. Step 5: Solve for x
    x = 58,776,145.31/8,528.36
  6. Step 6: Final answer
    x = 6,891.85

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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.