Home / 11,045.92-15,243.24-7,274.56

Finding the Fourth Proportional to 11,045.92, 15,243.24 and 7,274.56

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Solution

The fourth proportional to 11,045.92, 15,243.24 and 7,274.56 is: 10,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.92 : 15,243.24 = 7,274.56 : x
  2. Step 2: Convert to fraction form
    11,045.92/15,243.24 = 7,274.56/x
  3. Step 3: Cross multiply
    11,045.92x = 15,243.24 × 7,274.56
  4. Step 4: Simplify right side
    11,045.92x = 110,887,863.97
  5. Step 5: Solve for x
    x = 110,887,863.97/11,045.92
  6. Step 6: Final answer
    x = 10,038.81

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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.