Home / 12,468.90-17,206.83-7,163.58

Finding the Fourth Proportional to 12,468.90, 17,206.83 and 7,163.58

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Solution

The fourth proportional to 12,468.90, 17,206.83 and 7,163.58 is: 9,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.90 : 17,206.83 = 7,163.58 : x
  2. Step 2: Convert to fraction form
    12,468.90/17,206.83 = 7,163.58/x
  3. Step 3: Cross multiply
    12,468.90x = 17,206.83 × 7,163.58
  4. Step 4: Simplify right side
    12,468.90x = 123,262,503.25
  5. Step 5: Solve for x
    x = 123,262,503.25/12,468.90
  6. Step 6: Final answer
    x = 9,885.60

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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.