Home / 12,261.93-16,922.01-7,226.36

Finding the Fourth Proportional to 12,261.93, 16,922.01 and 7,226.36

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Solution

The fourth proportional to 12,261.93, 16,922.01 and 7,226.36 is: 9,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.93 : 16,922.01 = 7,226.36 : x
  2. Step 2: Convert to fraction form
    12,261.93/16,922.01 = 7,226.36/x
  3. Step 3: Cross multiply
    12,261.93x = 16,922.01 × 7,226.36
  4. Step 4: Simplify right side
    12,261.93x = 122,284,451.57
  5. Step 5: Solve for x
    x = 122,284,451.57/12,261.93
  6. Step 6: Final answer
    x = 9,972.70

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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.