Home / 7,997.92-11,042.28-5,166.56

Finding the Fourth Proportional to 7,997.92, 11,042.28 and 5,166.56

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Solution

The fourth proportional to 7,997.92, 11,042.28 and 5,166.56 is: 7,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.92 : 11,042.28 = 5,166.56 : x
  2. Step 2: Convert to fraction form
    7,997.92/11,042.28 = 5,166.56/x
  3. Step 3: Cross multiply
    7,997.92x = 11,042.28 × 5,166.56
  4. Step 4: Simplify right side
    7,997.92x = 57,050,602.16
  5. Step 5: Solve for x
    x = 57,050,602.16/7,997.92
  6. Step 6: Final answer
    x = 7,133.18

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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.