Home / 7,816.08-11,724.06-5,200.56

Finding the Fourth Proportional to 7,816.08, 11,724.06 and 5,200.56

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Solution

The fourth proportional to 7,816.08, 11,724.06 and 5,200.56 is: 7,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.08 : 11,724.06 = 5,200.56 : x
  2. Step 2: Convert to fraction form
    7,816.08/11,724.06 = 5,200.56/x
  3. Step 3: Cross multiply
    7,816.08x = 11,724.06 × 5,200.56
  4. Step 4: Simplify right side
    7,816.08x = 60,971,677.47
  5. Step 5: Solve for x
    x = 60,971,677.47/7,816.08
  6. Step 6: Final answer
    x = 7,800.80

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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.