Home / 12,216.84-18,327.95-6,954.33

Finding the Fourth Proportional to 12,216.84, 18,327.95 and 6,954.33

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Solution

The fourth proportional to 12,216.84, 18,327.95 and 6,954.33 is: 10,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.84 : 18,327.95 = 6,954.33 : x
  2. Step 2: Convert to fraction form
    12,216.84/18,327.95 = 6,954.33/x
  3. Step 3: Cross multiply
    12,216.84x = 18,327.95 × 6,954.33
  4. Step 4: Simplify right side
    12,216.84x = 127,458,612.52
  5. Step 5: Solve for x
    x = 127,458,612.52/12,216.84
  6. Step 6: Final answer
    x = 10,433.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.