Home / 8,124.96-11,218.32-5,338.56

Finding the Fourth Proportional to 8,124.96, 11,218.32 and 5,338.56

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Solution

The fourth proportional to 8,124.96, 11,218.32 and 5,338.56 is: 7,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.96 : 11,218.32 = 5,338.56 : x
  2. Step 2: Convert to fraction form
    8,124.96/11,218.32 = 5,338.56/x
  3. Step 3: Cross multiply
    8,124.96x = 11,218.32 × 5,338.56
  4. Step 4: Simplify right side
    8,124.96x = 59,889,674.42
  5. Step 5: Solve for x
    x = 59,889,674.42/8,124.96
  6. Step 6: Final answer
    x = 7,371.07

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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.