Home / 11,660.40-16,096.80-7,471.04

Finding the Fourth Proportional to 11,660.40, 16,096.80 and 7,471.04

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Solution

The fourth proportional to 11,660.40, 16,096.80 and 7,471.04 is: 10,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.40 : 16,096.80 = 7,471.04 : x
  2. Step 2: Convert to fraction form
    11,660.40/16,096.80 = 7,471.04/x
  3. Step 3: Cross multiply
    11,660.40x = 16,096.80 × 7,471.04
  4. Step 4: Simplify right side
    11,660.40x = 120,259,836.67
  5. Step 5: Solve for x
    x = 120,259,836.67/11,660.40
  6. Step 6: Final answer
    x = 10,313.53

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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.