Home / 12,731.04-17,566.74-7,694.46

Finding the Fourth Proportional to 12,731.04, 17,566.74 and 7,694.46

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Solution

The fourth proportional to 12,731.04, 17,566.74 and 7,694.46 is: 10,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.04 : 17,566.74 = 7,694.46 : x
  2. Step 2: Convert to fraction form
    12,731.04/17,566.74 = 7,694.46/x
  3. Step 3: Cross multiply
    12,731.04x = 17,566.74 × 7,694.46
  4. Step 4: Simplify right side
    12,731.04x = 135,166,578.26
  5. Step 5: Solve for x
    x = 135,166,578.26/12,731.04
  6. Step 6: Final answer
    x = 10,617.09

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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.