Home / 12,659.84-17,471.36-6,994.56

Finding the Fourth Proportional to 12,659.84, 17,471.36 and 6,994.56

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Solution

The fourth proportional to 12,659.84, 17,471.36 and 6,994.56 is: 9,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.84 : 17,471.36 = 6,994.56 : x
  2. Step 2: Convert to fraction form
    12,659.84/17,471.36 = 6,994.56/x
  3. Step 3: Cross multiply
    12,659.84x = 17,471.36 × 6,994.56
  4. Step 4: Simplify right side
    12,659.84x = 122,204,475.80
  5. Step 5: Solve for x
    x = 122,204,475.80/12,659.84
  6. Step 6: Final answer
    x = 9,652.92

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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.