Home / 12,660.30-17,471.16-6,995.46

Finding the Fourth Proportional to 12,660.30, 17,471.16 and 6,995.46

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Solution

The fourth proportional to 12,660.30, 17,471.16 and 6,995.46 is: 9,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.30 : 17,471.16 = 6,995.46 : x
  2. Step 2: Convert to fraction form
    12,660.30/17,471.16 = 6,995.46/x
  3. Step 3: Cross multiply
    12,660.30x = 17,471.16 × 6,995.46
  4. Step 4: Simplify right side
    12,660.30x = 122,218,800.93
  5. Step 5: Solve for x
    x = 122,218,800.93/12,660.30
  6. Step 6: Final answer
    x = 9,653.70

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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.