Home / 8,965.73-12,366.96-5,783.09

Finding the Fourth Proportional to 8,965.73, 12,366.96 and 5,783.09

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Solution

The fourth proportional to 8,965.73, 12,366.96 and 5,783.09 is: 7,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.73 : 12,366.96 = 5,783.09 : x
  2. Step 2: Convert to fraction form
    8,965.73/12,366.96 = 5,783.09/x
  3. Step 3: Cross multiply
    8,965.73x = 12,366.96 × 5,783.09
  4. Step 4: Simplify right side
    8,965.73x = 71,519,242.71
  5. Step 5: Solve for x
    x = 71,519,242.71/8,965.73
  6. Step 6: Final answer
    x = 7,976.96

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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.