Home / 12,278.12-16,944.30-6,973.43

Finding the Fourth Proportional to 12,278.12, 16,944.30 and 6,973.43

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Solution

The fourth proportional to 12,278.12, 16,944.30 and 6,973.43 is: 9,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.12 : 16,944.30 = 6,973.43 : x
  2. Step 2: Convert to fraction form
    12,278.12/16,944.30 = 6,973.43/x
  3. Step 3: Cross multiply
    12,278.12x = 16,944.30 × 6,973.43
  4. Step 4: Simplify right side
    12,278.12x = 118,159,805.23
  5. Step 5: Solve for x
    x = 118,159,805.23/12,278.12
  6. Step 6: Final answer
    x = 9,623.61

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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.