Home / 11,160.06-16,660.04-10,382.46

Finding the Fourth Proportional to 11,160.06, 16,660.04 and 10,382.46

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Solution

The fourth proportional to 11,160.06, 16,660.04 and 10,382.46 is: 15,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.06 : 16,660.04 = 10,382.46 : x
  2. Step 2: Convert to fraction form
    11,160.06/16,660.04 = 10,382.46/x
  3. Step 3: Cross multiply
    11,160.06x = 16,660.04 × 10,382.46
  4. Step 4: Simplify right side
    11,160.06x = 172,972,146.99
  5. Step 5: Solve for x
    x = 172,972,146.99/11,160.06
  6. Step 6: Final answer
    x = 15,499.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.