Home / 11,200.68-15,458.45-6,485.27

Finding the Fourth Proportional to 11,200.68, 15,458.45 and 6,485.27

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Solution

The fourth proportional to 11,200.68, 15,458.45 and 6,485.27 is: 8,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.68 : 15,458.45 = 6,485.27 : x
  2. Step 2: Convert to fraction form
    11,200.68/15,458.45 = 6,485.27/x
  3. Step 3: Cross multiply
    11,200.68x = 15,458.45 × 6,485.27
  4. Step 4: Simplify right side
    11,200.68x = 100,252,112.31
  5. Step 5: Solve for x
    x = 100,252,112.31/11,200.68
  6. Step 6: Final answer
    x = 8,950.54

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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.