Home / 8,106.71-11,185.82-4,569.92

Finding the Fourth Proportional to 8,106.71, 11,185.82 and 4,569.92

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Solution

The fourth proportional to 8,106.71, 11,185.82 and 4,569.92 is: 6,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.71 : 11,185.82 = 4,569.92 : x
  2. Step 2: Convert to fraction form
    8,106.71/11,185.82 = 4,569.92/x
  3. Step 3: Cross multiply
    8,106.71x = 11,185.82 × 4,569.92
  4. Step 4: Simplify right side
    8,106.71x = 51,118,295.69
  5. Step 5: Solve for x
    x = 51,118,295.69/8,106.71
  6. Step 6: Final answer
    x = 6,305.68

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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.