Home / 11,042.92-16,542.51-7,150.06

Finding the Fourth Proportional to 11,042.92, 16,542.51 and 7,150.06

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Solution

The fourth proportional to 11,042.92, 16,542.51 and 7,150.06 is: 10,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.92 : 16,542.51 = 7,150.06 : x
  2. Step 2: Convert to fraction form
    11,042.92/16,542.51 = 7,150.06/x
  3. Step 3: Cross multiply
    11,042.92x = 16,542.51 × 7,150.06
  4. Step 4: Simplify right side
    11,042.92x = 118,279,939.05
  5. Step 5: Solve for x
    x = 118,279,939.05/11,042.92
  6. Step 6: Final answer
    x = 10,710.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.