Home / 12,744.66-17,583.57-7,154.58

Finding the Fourth Proportional to 12,744.66, 17,583.57 and 7,154.58

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Solution

The fourth proportional to 12,744.66, 17,583.57 and 7,154.58 is: 9,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.66 : 17,583.57 = 7,154.58 : x
  2. Step 2: Convert to fraction form
    12,744.66/17,583.57 = 7,154.58/x
  3. Step 3: Cross multiply
    12,744.66x = 17,583.57 × 7,154.58
  4. Step 4: Simplify right side
    12,744.66x = 125,803,058.25
  5. Step 5: Solve for x
    x = 125,803,058.25/12,744.66
  6. Step 6: Final answer
    x = 9,871.04

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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.