Home / 8,342.28-11,516.04-5,200.56

Finding the Fourth Proportional to 8,342.28, 11,516.04 and 5,200.56

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Solution

The fourth proportional to 8,342.28, 11,516.04 and 5,200.56 is: 7,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.28 : 11,516.04 = 5,200.56 : x
  2. Step 2: Convert to fraction form
    8,342.28/11,516.04 = 5,200.56/x
  3. Step 3: Cross multiply
    8,342.28x = 11,516.04 × 5,200.56
  4. Step 4: Simplify right side
    8,342.28x = 59,889,856.98
  5. Step 5: Solve for x
    x = 59,889,856.98/8,342.28
  6. Step 6: Final answer
    x = 7,179.08

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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.