Home / 11,049.68-15,247.70-7,016.21

Finding the Fourth Proportional to 11,049.68, 15,247.70 and 7,016.21

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Solution

The fourth proportional to 11,049.68, 15,247.70 and 7,016.21 is: 9,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.68 : 15,247.70 = 7,016.21 : x
  2. Step 2: Convert to fraction form
    11,049.68/15,247.70 = 7,016.21/x
  3. Step 3: Cross multiply
    11,049.68x = 15,247.70 × 7,016.21
  4. Step 4: Simplify right side
    11,049.68x = 106,981,006.52
  5. Step 5: Solve for x
    x = 106,981,006.52/11,049.68
  6. Step 6: Final answer
    x = 9,681.82

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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.